| Value | Category | Cases | |
|---|---|---|---|
| 888 | Never | 0 |
0%
|
| 995 | Missing | 0 |
0%
|
| 997 | Refused | 0 |
0%
|
| 998 | Dont Know | 0 |
0%
|
| 999 | NA | 0 |
0%
|
| 1973 | 1 |
0%
|
|
| 1979 | 1 |
0%
|
|
| 1980 | 1 |
0%
|
|
| 1982 | 1 |
0%
|
|
| 1983 | 1 |
0%
|
|
| 1991 | 1 |
0%
|
|
| 1992 | 3 |
0.1%
|
|
| 1994 | 1 |
0%
|
|
| 1995 | 1 |
0%
|
|
| 1996 | 2 |
0%
|
|
| 1997 | 2 |
0%
|
|
| 1998 | 4 |
0.1%
|
|
| 1999 | 1 |
0%
|
|
| 2000 | 4 |
0.1%
|
|
| 2001 | 8 |
0.1%
|
|
| 2002 | 5 |
0.1%
|
|
| 2003 | 6 |
0.1%
|
|
| 2004 | 10 |
0.2%
|
|
| 2005 | 32 |
0.6%
|
|
| 2006 | 69 |
1.3%
|
|
| 2007 | 298 |
5.4%
|
|
| 2008 | 698 |
12.8%
|
|
| 2009 | 19 |
0.3%
|
|
| 8888 | 209 |
3.8%
|
|
| 9995 | 1 |
0%
|
|
| 9999 | 4090 |
74.8%
|
|
| Sysmiss | 1 |
