| Value | Category | Cases | |
|---|---|---|---|
| 1977 | 1 |
2.2%
|
|
| 1984 | 1 |
2.2%
|
|
| 1987 | 1 |
2.2%
|
|
| 1988 | 1 |
2.2%
|
|
| 1990 | 1 |
2.2%
|
|
| 1993 | 1 |
2.2%
|
|
| 1995 | 1 |
2.2%
|
|
| 1998 | 1 |
2.2%
|
|
| 2000 | 1 |
2.2%
|
|
| 2005 | 1 |
2.2%
|
|
| 2006 | 1 |
2.2%
|
|
| 2222 | 2222. Not asked in Phase 2 | 0 |
0%
|
| 3333 | 3333. Missing | 0 |
0%
|
| 5555 | 5555. Not Applicable | 0 |
0%
|
| 8888 | 8888. Refused | 0 |
0%
|
| 9999 | 9999. Don't know | 34 |
75.6%
|
| Sysmiss | 21829 |