Total babies named Koltan (all years): 252
| Year | Boys (count / rank / %) |
|---|---|
| 2023 | 5 / #13301 / 0.000% |
| 2022 | 6 / #11662 / 0.000% |
| 2020 | 7 / #10142 / 0.000% |
| 2019 | 6 / #11539 / 0.000% |
| 2018 | 8 / #9274 / 0.000% |
| 2016 | 9 / #8523 / 0.000% |
| 2015 | 9 / #8420 / 0.000% |
| 2014 | 14 / #6176 / 0.001% |
| 2013 | 20 / #4727 / 0.001% |
| 2012 | 17 / #5395 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 2011 | 15 / #5837 / 0.001% |
| 2010 | 15 / #5914 / 0.001% |
| 2009 | 11 / #7493 / 0.001% |
| 2008 | 13 / #6618 / 0.001% |
| 2007 | 15 / #5804 / 0.001% |
| 2006 | 9 / #8436 / 0.000% |
| 2005 | 7 / #9685 / 0.000% |
| 2004 | 9 / #7909 / 0.000% |
| 2002 | 8 / #8108 / 0.000% |
| 2001 | 5 / #11582 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 2000 | 8 / #7869 / 0.000% |
| 1999 | 7 / #8348 / 0.000% |
| 1997 | 5 / #10129 / 0.000% |
| 1996 | 7 / #7601 / 0.000% |
| 1995 | 11 / #5354 / 0.001% |
| 1991 | 6 / #7814 / 0.000% |