Total babies named Rocko (all years): 273
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 10 / #8167 / 0.001% |
| 2023 | 18 / #5409 / 0.001% |
| 2022 | 15 / #6084 / 0.001% |
| 2021 | 16 / #5733 / 0.001% |
| 2020 | 19 / #4994 / 0.001% |
| 2019 | 11 / #7535 / 0.001% |
| 2018 | 22 / #4580 / 0.001% |
| 2017 | 8 / #9509 / 0.000% |
| 2016 | 16 / #5736 / 0.001% |
| 2015 | 15 / #5936 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 2014 | 22 / #4506 / 0.001% |
| 2013 | 14 / #6177 / 0.001% |
| 2012 | 8 / #9524 / 0.000% |
| 2011 | 10 / #7953 / 0.001% |
| 2010 | 13 / #6629 / 0.001% |
| 2009 | 13 / #6735 / 0.001% |
| 2008 | 9 / #8869 / 0.000% |
| 2007 | 10 / #8050 / 0.000% |
| 2006 | 7 / #10431 / 0.000% |
| 2004 | 5 / #12841 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 2002 | 7 / #9186 / 0.000% |
| 1975 | 5 / #6147 / 0.000% |