Value |
Category |
1 |
still in training |
2 |
1998 |
3 |
1997 |
4 |
1996 |
5 |
1995 |
6 |
1994 |
7 |
1993 or before |
9 |
no answer |
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.