Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
4.5%
|
1973 | 1 |
1.5%
|
|
1980 | 1 |
1.5%
|
|
1984 | 1 |
1.5%
|
|
1985 | 1 |
1.5%
|
|
1989 | 1 |
1.5%
|
|
1993 | 1 |
1.5%
|
|
1994 | 2 |
3%
|
|
1997 | 2 |
3%
|
|
1998 | 1 |
1.5%
|
|
1999 | 3 |
4.5%
|
|
2000 | 1 |
1.5%
|
|
2003 | 1 |
1.5%
|
|
2004 | 1 |
1.5%
|
|
2005 | 6 |
9%
|
|
2006 | 2 |
3%
|
|
2007 | 1 |
1.5%
|
|
2008 | 2 |
3%
|
|
2009 | 1 |
1.5%
|
|
2010 | 5 |
7.5%
|
|
2011 | 1 |
1.5%
|
|
2012 | 3 |
4.5%
|
|
2014 | 3 |
4.5%
|
|
2015 | 4 |
6%
|
|
2016 | 3 |
4.5%
|
|
2017 | 6 |
9%
|
|
2018 | 3 |
4.5%
|
|
2019 | 1 |
1.5%
|
|
2020 | 2 |
3%
|
|
2021 | 1 |
1.5%
|
|
2022 | 1 |
1.5%
|
|
2023 | 2 |
3%
|
|
Sysmiss | 278 |