Latest years first · counts are girls + boys combined (split shown in table).
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 2024 | 818 | 784/34 | 14,734 | 14,718/16 |
| 2023 | 613 | 585/28 | 15,319 | 15,313/6 |
| 2022 | 631 | 598/33 | 16,670 | 16,654/16 |
| 2021 | 566 | 538/28 | 17,850 | 17,841/9 |
| 2020 | 518 | 483/35 | 17,695 | 17,682/13 |
| 2019 | 569 | 530/39 | 18,581 | 18,569/12 |
| 2018 | 502 | 464/38 | 18,064 | 18,055/9 |
| 2017 | 518 | 468/50 | 18,789 | 18,777/12 |
| 2016 | 492 | 464/28 | 19,425 | 19,409/16 |
| 2015 | 432 | 396/36 | 19,735 | 19,726/9 |
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 2014 | 406 | 374/32 | 19,859 | 19,836/23 |
| 2013 | 332 | 299/33 | 18,477 | 18,453/24 |
| 2012 | 281 | 245/36 | 17,350 | 17,332/18 |
| 2011 | 175 | 150/25 | 17,351 | 17,334/17 |
| 2010 | 146 | 116/30 | 17,065 | 17,037/28 |
| 2009 | 141 | 117/24 | 17,461 | 17,443/18 |
| 2008 | 166 | 147/19 | 17,118 | 17,087/31 |
| 2007 | 158 | 130/28 | 16,605 | 16,588/17 |
| 2006 | 163 | 130/33 | 15,524 | 15,507/17 |
| 2005 | 181 | 148/33 | 15,722 | 15,699/23 |
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 2004 | 141 | 106/35 | 16,181 | 16,108/73 |
| 2003 | 180 | 146/34 | 16,176 | 16,154/22 |
| 2002 | 154 | 124/30 | 14,647 | 14,630/17 |
| 2001 | 182 | 147/35 | 13,988 | 13,977/11 |
| 2000 | 172 | 134/38 | 12,861 | 12,855/6 |
| 1999 | 181 | 142/39 | 11,275 | 11,257/18 |
| 1998 | 187 | 146/41 | 10,626 | 10,610/16 |
| 1997 | 143 | 95/48 | 9,491 | 9,479/12 |
| 1996 | 162 | 116/46 | 8,137 | 8,125/12 |
| 1995 | 132 | 91/41 | 7,638 | 7,626/12 |
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1994 | 159 | 111/48 | 6,442 | 6,432/10 |
| 1993 | 183 | 131/52 | 6,350 | 6,343/7 |
| 1992 | 157 | 109/48 | 5,825 | 5,811/14 |
| 1991 | 173 | 116/57 | 5,611 | 5,602/9 |
| 1990 | 183 | 124/59 | 4,643 | 4,628/15 |
| 1989 | 161 | 104/57 | 2,469 | 2,439/30 |
| 1988 | 182 | 115/67 | 2,150 | 2,141/9 |
| 1987 | 172 | 117/55 | 1,711 | 1,700/11 |
| 1986 | 180 | 108/72 | 1,241 | 1,234/7 |
| 1985 | 201 | 134/67 | 1,025 | 1,025/0 |
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1984 | 193 | 135/58 | 1,173 | 1,166/7 |
| 1983 | 244 | 173/71 | 1,089 | 1,089/0 |
| 1982 | 258 | 177/81 | 1,127 | 1,127/0 |
| 1981 | 137 | 67/70 | 1,031 | 1,024/7 |
| 1980 | 149 | 73/76 | 1,121 | 1,116/5 |
| 1979 | 166 | 84/82 | 1,260 | 1,254/6 |
| 1978 | 125 | 62/63 | 1,317 | 1,312/5 |
| 1977 | 116 | 45/71 | 1,112 | 1,105/7 |
| 1976 | 100 | 55/45 | 1,239 | 1,233/6 |
| 1975 | 99 | 30/69 | 1,058 | 1,049/9 |
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1974 | 90 | 28/62 | 512 | 507/5 |
| 1973 | 117 | 35/82 | 360 | 360/0 |
| 1972 | 81 | 25/56 | 345 | 345/0 |
| 1971 | 112 | 33/79 | 335 | 335/0 |
| 1970 | 119 | 33/86 | 349 | 349/0 |
| 1969 | 106 | 39/67 | 348 | 348/0 |
| 1968 | 73 | 19/54 | 324 | 324/0 |
| 1967 | 101 | 17/84 | 347 | 347/0 |
| 1966 | 103 | 30/73 | 334 | 334/0 |
| 1965 | 115 | 27/88 | 442 | 442/0 |
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1964 | 133 | 44/89 | 425 | 425/0 |
| 1963 | 152 | 39/113 | 448 | 448/0 |
| 1962 | 144 | 44/100 | 428 | 428/0 |
| 1961 | 166 | 48/118 | 435 | 435/0 |
| 1960 | 187 | 55/132 | 484 | 484/0 |
| 1959 | 170 | 47/123 | 489 | 489/0 |
| 1958 | 200 | 41/159 | 557 | 557/0 |
| 1957 | 215 | 58/157 | 521 | 521/0 |
| 1956 | 208 | 59/149 | 542 | 536/6 |
| 1955 | 194 | 51/143 | 604 | 604/0 |
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1954 | 200 | 34/166 | 645 | 645/0 |
| 1953 | 159 | 38/121 | 620 | 620/0 |
| 1952 | 233 | 71/162 | 694 | 694/0 |
| 1951 | 213 | 55/158 | 665 | 665/0 |
| 1950 | 247 | 70/177 | 769 | 769/0 |
| 1949 | 176 | 53/123 | 854 | 854/0 |
| 1948 | 182 | 55/127 | 848 | 848/0 |
| 1947 | 152 | 58/94 | 857 | 857/0 |
| 1946 | 145 | 52/93 | 728 | 728/0 |
| 1945 | 140 | 56/84 | 621 | 621/0 |
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1944 | 161 | 53/108 | 735 | 730/5 |
| 1943 | 156 | 54/102 | 694 | 694/0 |
| 1942 | 154 | 58/96 | 748 | 742/6 |
| 1941 | 106 | 38/68 | 593 | 587/6 |
| 1940 | 130 | 50/80 | 540 | 540/0 |
| 1939 | 144 | 47/97 | 428 | 428/0 |
| 1938 | 130 | 46/84 | 445 | 445/0 |
| 1937 | 122 | 44/78 | 398 | 393/5 |
| 1936 | 111 | 41/70 | 381 | 381/0 |
| 1935 | 124 | 51/73 | 371 | 365/6 |
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1934 | 120 | 44/76 | 359 | 359/0 |
| 1933 | 115 | 38/77 | 375 | 370/5 |
| 1932 | 126 | 48/78 | 399 | 399/0 |
| 1931 | 112 | 43/69 | 387 | 380/7 |
| 1930 | 120 | 51/69 | 410 | 402/8 |
| 1929 | 126 | 42/84 | 465 | 458/7 |
| 1928 | 133 | 37/96 | 442 | 442/0 |
| 1927 | 161 | 70/91 | 499 | 499/0 |
| 1926 | 120 | 54/66 | 466 | 466/0 |
| 1925 | 122 | 52/70 | 532 | 527/5 |
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1924 | 150 | 56/94 | 507 | 501/6 |
| 1923 | 130 | 55/75 | 535 | 528/7 |
| 1922 | 137 | 61/76 | 536 | 536/0 |
| 1921 | 120 | 40/80 | 502 | 502/0 |
| 1920 | 137 | 57/80 | 523 | 523/0 |
| 1919 | 146 | 57/89 | 471 | 471/0 |
| 1918 | 133 | 54/79 | 466 | 466/0 |
| 1917 | 102 | 43/59 | 476 | 476/0 |
| 1916 | 112 | 39/73 | 446 | 446/0 |
| 1915 | 97 | 45/52 | 372 | 372/0 |
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1914 | 83 | 35/48 | 340 | 340/0 |
| 1913 | 73 | 32/41 | 287 | 287/0 |
| 1912 | 64 | 34/30 | 285 | 285/0 |
| 1911 | 67 | 36/31 | 191 | 191/0 |
| 1910 | 59 | 32/27 | 211 | 211/0 |
| 1909 | 52 | 23/29 | 179 | 179/0 |
| 1908 | 35 | 16/19 | 181 | 181/0 |
| 1907 | 38 | 19/19 | 171 | 171/0 |
| 1906 | 40 | 15/25 | 181 | 181/0 |
| 1905 | 41 | 20/21 | 153 | 153/0 |
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1904 | 45 | 27/18 | 157 | 157/0 |
| 1903 | 23 | 12/11 | 130 | 130/0 |
| 1902 | 36 | 17/19 | 130 | 130/0 |
| 1901 | 32 | 20/12 | 126 | 126/0 |
| 1900 | 40 | 15/25 | 167 | 167/0 |
| 1899 | 25 | 11/14 | 110 | 110/0 |
| 1898 | 9 | 9/0 | 141 | 141/0 |
| 1897 | 22 | 13/9 | 131 | 131/0 |
| 1896 | 22 | 12/10 | 114 | 114/0 |
| 1895 | 29 | 13/16 | 117 | 117/0 |
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1894 | 17 | 9/8 | 127 | 127/0 |
| 1893 | 15 | 9/6 | 107 | 107/0 |
| 1892 | 16 | 7/9 | 101 | 101/0 |
| 1891 | 12 | 7/5 | 66 | 66/0 |
| 1890 | 20 | 7/13 | 85 | 85/0 |
| 1889 | 15 | 5/10 | 100 | 100/0 |
| 1888 | 8 | 0/8 | 71 | 71/0 |
| 1887 | 14 | 7/7 | 69 | 69/0 |
| 1886 | 5 | 5/0 | 72 | 72/0 |
| 1885 | 8 | 0/8 | 59 | 59/0 |
| Year | Ivory (total | F/B) | Olivia (total | F/B) |
|---|---|---|
| 1884 | 12 | 0/12 | 54 | 54/0 |
| 1883 | 7 | 0/7 | 46 | 46/0 |
| 1882 | 7 | 0/7 | 52 | 52/0 |
| 1881 | 0 | 0/0 | 51 | 51/0 |
| 1880 | 8 | 0/8 | 44 | 44/0 |