Total babies named Onnika (all years): 72
| Year | Girls (count / rank / %) |
|---|---|
| 2018 | 7 / #13451 / 0.000% |
| 2013 | 10 / #10815 / 0.001% |
| 2010 | 5 / #19120 / 0.000% |
| 2009 | 5 / #19470 / 0.000% |
| 2008 | 6 / #16947 / 0.000% |
| 2007 | 6 / #17077 / 0.000% |
| 2006 | 8 / #13301 / 0.000% |
| 2004 | 8 / #12450 / 0.000% |
| 2003 | 8 / #12113 / 0.000% |
| 2002 | 9 / #10863 / 0.001% |