| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
0.5%
|
|
| 1971 | 1 |
0.5%
|
|
| 1987 | 1 |
0.5%
|
|
| 1990 | 1 |
0.5%
|
|
| 1997 | 1 |
0.5%
|
|
| 2 | 1 |
0.5%
|
|
| 2000 | 6 |
3.3%
|
|
| 2003 | 2 |
1.1%
|
|
| 2005 | 3 |
1.6%
|
|
| 2006 | 3 |
1.6%
|
|
| 2007 | 1 |
0.5%
|
|
| 2008 | 2 |
1.1%
|
|
| 2009 | 1 |
0.5%
|
|
| 2010 | 16 |
8.7%
|
|
| 2011 | 2 |
1.1%
|
|
| 2012 | 2 |
1.1%
|
|
| 2013 | 5 |
2.7%
|
|
| 2014 | 15 |
8.2%
|
|
| 2015 | 35 |
19%
|
|
| 2016 | 20 |
10.9%
|
|
| 2017 | 13 |
7.1%
|
|
| 2018 | 16 |
8.7%
|
|
| 2019 | 14 |
7.6%
|
|
| 2020 | 10 |
5.4%
|
|
| 3 | 1 |
0.5%
|
|
| 3 months | 1 |
0.5%
|
|
| 4 | 1 |
0.5%
|
|
| 5 | 1 |
0.5%
|
|
| Before 2015 | 1 |
0.5%
|
|
| Can't recall | 2 |
1.1%
|
|
| Long time can't recall | 1 |
0.5%
|
|
| Not Answered | 1 |
0.5%
|
|
| Not answered | 2 |
1.1%
|
|
| September 2020 | 1 |
0.5%
|