| Value |
Category |
| 0 |
Not yet started to benefit |
| 1 |
2014 |
| 2 |
2013 |
| 3 |
2012 |
| 4 |
2011 |
| 5 |
2010 |
| 6 |
2009 |
| 7 |
2008 |
| 8 |
Don't know |
| 9 |
Missing |
| 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.