| Value | Category | Cases | |
|---|---|---|---|
| 1996 | 1 |
2.8%
|
|
| 1999 | 1 |
2.8%
|
|
| 2001 | 1 |
2.8%
|
|
| 2003 | 1 |
2.8%
|
|
| 2005 | 1 |
2.8%
|
|
| 2010 | 2 |
5.6%
|
|
| 2011 | 2 |
5.6%
|
|
| 2012 | 1 |
2.8%
|
|
| 2013 | 3 |
8.3%
|
|
| 2014 | 2 |
5.6%
|
|
| 2016 | 1 |
2.8%
|
|
| 2017 | 1 |
2.8%
|
|
| 2018 | 1 |
2.8%
|
|
| 2019 | 2 |
5.6%
|
|
| 2020 | 5 |
13.9%
|
|
| 2022 | 1 |
2.8%
|
|
| 2023 | 2 |
5.6%
|
|
| 2024 | 3 |
8.3%
|
|
| 2025 | 3 |
8.3%
|
|
| 9998 | Don't know | 2 |
5.6%
|
| Sysmiss | 41976 |