| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 0 |
0%
|
| 1 | Yes | 0 |
0%
|
| 99 | Other | 0 |
0%
|
| 1981 | 1 |
0.1%
|
|
| 1998 | 2 |
0.1%
|
|
| 2001 | 1 |
0.1%
|
|
| 2003 | 1 |
0.1%
|
|
| 2007 | 4 |
0.3%
|
|
| 2008 | 4 |
0.3%
|
|
| 2009 | 19 |
1.2%
|
|
| 2010 | 222 |
14.5%
|
|
| 2011 | 511 |
33.4%
|
|
| 2012 | 519 |
33.9%
|
|
| 2013 | 246 |
16.1%
|
|
| 2147483622 | Don't know | 0 |
0%
|
| 2147483623 | N/A | 0 |
0%
|
| 2147483625 | Refuse to answer | 0 |
0%
|
| 2147483645 | Missing | 0 |
0%
|
| 2147483646 | Outrange | 0 |
0%
|
| 2147483647 | Has data while shouldn't | 0 |
0%
|
| 10001 | .B | 1548 |