Total babies named Roczen (all years): 374
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 28 / #3953 / 0.002% |
| 2023 | 20 / #5024 / 0.001% |
| 2022 | 28 / #3966 / 0.002% |
| 2021 | 43 / #2905 / 0.002% |
| 2020 | 37 / #3118 / 0.002% |
| 2019 | 35 / #3327 / 0.002% |
| 2018 | 38 / #3093 / 0.002% |
| 2017 | 27 / #3960 / 0.001% |
| 2016 | 26 / #4073 / 0.001% |
| 2015 | 42 / #2848 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 2014 | 33 / #3358 / 0.002% |
| 2013 | 11 / #7452 / 0.001% |
| 2011 | 6 / #11963 / 0.000% |