| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.7%
|
| 1980 | 1 |
0.7%
|
|
| 1985 | 1 |
0.7%
|
|
| 1990 | 1 |
0.7%
|
|
| 1992 | 1 |
0.7%
|
|
| 1993 | 2 |
1.5%
|
|
| 2000 | 2 |
1.5%
|
|
| 2001 | 1 |
0.7%
|
|
| 2004 | 2 |
1.5%
|
|
| 2005 | 3 |
2.2%
|
|
| 2006 | 1 |
0.7%
|
|
| 2007 | 1 |
0.7%
|
|
| 2008 | 2 |
1.5%
|
|
| 2009 | 2 |
1.5%
|
|
| 2010 | 6 |
4.4%
|
|
| 2011 | 3 |
2.2%
|
|
| 2012 | 1 |
0.7%
|
|
| 2013 | 2 |
1.5%
|
|
| 2014 | 3 |
2.2%
|
|
| 2015 | 4 |
2.9%
|
|
| 2016 | 3 |
2.2%
|
|
| 2017 | 5 |
3.7%
|
|
| 2018 | 9 |
6.6%
|
|
| 2019 | 10 |
7.4%
|
|
| 2020 | 6 |
4.4%
|
|
| 2021 | 10 |
7.4%
|
|
| 2022 | 17 |
12.5%
|
|
| 2023 | 22 |
16.2%
|
|
| 2024 | 14 |
10.3%
|
|
| Sysmiss | 110 |