| Age group | Total number of cases | Cases with identified causes | 20 - 29 | 30 - 39 | 40 - 49 | 50 - 59 | 60 - 69 | 70+ | Total | % |
2015 | Total | 24,025 | 17,981 | 1 | 4 | 21 | 25 | 15 | 4 | 70 | 0.39 |
| Male | 16,681 |
| 1 | 4 | 20 | 24 | 14 | 2 | 65 |
|
| Female | 7344 |
|
|
| 1 | 1 | 1 | 2 | 5 |
|
2014 | Total | 25,427 | 19,025 | 1 | 3 | 20 | 31 | 21 | 6 | 82 | 0.43 |
| Male | 17,386 |
| 1 | 3 | 19 | 26 | 20 | 5 | 74 |
|
| Female | 8041 |
|
|
| 1 | 5 | 1 | 1 | 8 |
|
2013 | Total | 27,283 | 20,256 |
| 5 | 19 | 27 | 17 | 1 | 69 | 0.34 |
| Male | 18,787 |
|
| 5 | 16 | 24 | 15 |
| 60 |
|
| Female | 8496 |
|
|
| 3 | 3 | 2 | 1 | 9 |
|
2012 | Total | 27,858 | 20,615 | 1 | 2 | 17 | 20 | 20 | 5 | 65 | 0.32 |
| Male | 19,273 |
| 1 | 1 | 17 | 19 | 17 | 5 | 60 |
|
| Female | 8585 |
|
| 1 |
| 1 | 3 |
| 5 |
|
2011 | Total | 30,651 | 22,581 | 1 | 7 | 16 | 40 | 29 | 2 | 95 | 0.42 |
| Male | 20,955 |
| 1 | 7 | 13 | 37 | 27 | 1 | 86 |
|
| Female | 9696 |
|
|
| 3 | 3 | 2 | 1 | 9 |
|
2010 | Total | 31,690 | 23,572 | 1 | 9 | 34 | 62 | 36 | 1 | 143 | 0.61 |
| Male | 22,283 |
| 1 | 8 | 32 | 55 | 35 | 1 | 132 |
|
| Female | 9407 |
|
| 1 | 2 | 7 | 1 |
| 11 |
|
2009 | Total | 32,845 | 24,434 | 1 | 9 | 32 | 57 | 28 | 9 | 136 | 0.56 |
| Male | 23,472 |
| 1 | 9 | 28 | 53 | 25 | 5 | 121 |
|
| Female | 9373 |
|
|
| 4 | 4 | 3 | 4 | 15 |
|
2008 | Total | 32,249 | 23,490 | 1 | 10 | 36 | 48 | 33 | 4 | 132 | 0.56 |
| Male | 22,831 |
| 1 | 7 | 33 | 47 | 32 | 3 | 123 |
|
| Female | 9418 |
|
| 3 | 3 | 1 | 1 | 1 | 9 |
|
2007 | Total | 33,093 | 23,209 | 0 | 13 | 38 | 67 | 33 | 0 | 151 | 0.65 |
| Male | 23,478 |
|
| 12 | 36 | 62 | 29 |
| 139 |
|
| Female | 9615 |
|
| 1 | 2 | 5 | 4 |
| 12 |
|