Value | Category | Cases | |
---|---|---|---|
1 | more than once a year | 7 |
1.7%
|
2 | every year | 70 |
16.9%
|
3 | every two years | 24 |
5.8%
|
4 | every three years | 30 |
7.3%
|
5 | has done only once | 260 |
63%
|
6 | other | 22 |
5.3%
|
Sysmiss | 12502 |