| Value |
Category |
| 1 |
1988 |
| 2 |
1989 |
| 3 |
1990 |
| 4 |
1991 |
| 5 |
1992 |
| 6 |
1993 |
| 7 |
1994 |
| 8 |
1995 |
| 9 |
OTHER |
| 99 |
OMITTED |
| 11 |
.A |
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.