Value |
Category |
1 |
3 months |
2 |
6 months |
3 |
1 year |
4 |
2 years |
5 |
5 years |
6 |
duration of the project |
7 |
other |
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.