| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 563 |
18.5%
|
| 1 | Once | 843 |
27.7%
|
| 2 | Twice | 747 |
24.6%
|
| 3 | Three times | 501 |
16.5%
|
| 4 | Four times | 137 |
4.5%
|
| 5 | Five times | 70 |
2.3%
|
| 6 | Six times | 34 |
1.1%
|
| 7 | Seven times | 18 |
0.6%
|
| 8 | Eight times | 35 |
1.2%
|
| 9 | Once a month | 65 |
2.1%
|
| 10 | More than once a month | 25 |
0.8%
|
| 2147483622 | Don't know | 0 |
0%
|
| 2147483623 | Refused to respond | 0 |
0%
|
| 2147483647 | Not administered | 0 |
0%
|
| 101 | .Z | 30117 |