| Value | Category | Cases | |
|---|---|---|---|
| 1974 | 2 |
0.3%
|
|
| 1975 | 3 |
0.5%
|
|
| 1979 | 1 |
0.2%
|
|
| 1980 | 1 |
0.2%
|
|
| 1984 | 1 |
0.2%
|
|
| 1985 | 1 |
0.2%
|
|
| 1986 | 2 |
0.3%
|
|
| 1987 | 1 |
0.2%
|
|
| 1988 | 2 |
0.3%
|
|
| 1993 | 3 |
0.5%
|
|
| 1995 | 1 |
0.2%
|
|
| 2002 | 2 |
0.3%
|
|
| 2003 | 3 |
0.5%
|
|
| 2006 | 2 |
0.3%
|
|
| 2007 | 23 |
4%
|
|
| 2008 | 10 |
1.7%
|
|
| 2009 | 1 |
0.2%
|
|
| 2012 | 1 |
0.2%
|
|
| 2013 | 11 |
1.9%
|
|
| 2014 | 217 |
37.9%
|
|
| 2015 | 53 |
9.2%
|
|
| 2016 | 33 |
5.8%
|
|
| 2017 | 10 |
1.7%
|
|
| 2018 | 13 |
2.3%
|
|
| 2019 | 1 |
0.2%
|
|
| 2021 | 12 |
2.1%
|
|
| Missing value | 163 |
28.4%
|