| Value | Category | Cases | |
|---|---|---|---|
| 0 | NO | 1887 |
96%
|
| 1 | YES, ONCE OR TWICE | 72 |
3.7%
|
| 2 | YES, THREE TO TEN TIMES | 6 |
0.3%
|
| 3 | YES, MORE THAN 10 TIMES | 0 |
0%
|
| Sysmiss | 297 |