| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 365 |
17.4%
|
| -95 | Not aware about VHSND | 12 |
0.6%
|
| 1 | Once | 229 |
10.9%
|
| 2 | 2 times | 141 |
6.7%
|
| 3 | 3 times | 1189 |
56.6%
|
| 4 | More than 3 times | 17 |
0.8%
|
| 5 | None | 147 |
7%
|
| Sysmiss | 35 |