| Value | Category | Cases | |
|---|---|---|---|
| 1965 | 1 |
6.7%
|
|
| 1973 | 1 |
6.7%
|
|
| 1983 | 1 |
6.7%
|
|
| 1992 | 1 |
6.7%
|
|
| 1994 | 1 |
6.7%
|
|
| 2001 | 1 |
6.7%
|
|
| 2004 | 1 |
6.7%
|
|
| 2005 | 1 |
6.7%
|
|
| 2008 | 1 |
6.7%
|
|
| 2010 | 1 |
6.7%
|
|
| 2011 | 1 |
6.7%
|
|
| 2012 | 1 |
6.7%
|
|
| 2013 | 1 |
6.7%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 2 |
13.3%
|
| Sysmiss | 984 |