| Value |
Category |
| 1 |
january |
| 2 |
february |
| 3 |
march |
| 4 |
april |
| 5 |
may |
| 6 |
june |
| 7 |
july |
| 8 |
august |
| 9 |
september |
| 10 |
october |
| 11 |
november |
| 12 |
december |
| 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.
