| Value |
Category |
| 0 |
|
| 1 |
|
| 2 |
|
| 3 |
|
| 4 |
|
| 5 |
|
| 6 |
|
| 7 |
|
| 9 |
|
| 10 |
|
| 13 |
|
| 16 |
|
| 98 |
|
| 99 |
|
| 202 |
|
| 999 |
|
| 1988 |
|
| 1990 |
|
| 1995 |
|
| 1996 |
|
| 1997 |
|
| 1998 |
|
| 1999 |
|
| 2000 |
|
| 2001 |
|
| 2002 |
|
| 2003 |
|
| 2004 |
|
| 2007 |
|
| 9990 |
|
| 9999 |
|
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.