Value | Category | Cases | |
---|---|---|---|
1 | more than once a year | 1213 |
11.2%
|
2 | every year | 7052 |
65%
|
3 | every three years | 650 |
6%
|
4 | has done only once | 954 |
8.8%
|
6 | other | 978 |
9%
|
Sysmiss | 2068 |