| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 652 |
22.1%
|
| 1 | One year or less | 200 |
6.8%
|
| 2 | 50 |
1.7%
|
|
| 3 | 71 |
2.4%
|
|
| 4 | 47 |
1.6%
|
|
| 5 | 208 |
7%
|
|
| 6 | 55 |
1.9%
|
|
| 7 | 61 |
2.1%
|
|
| 8 | 77 |
2.6%
|
|
| 9 | 32 |
1.1%
|
|
| 10 | 323 |
10.9%
|
|
| 11 | 29 |
1%
|
|
| 12 | 103 |
3.5%
|
|
| 13 | 56 |
1.9%
|
|
| 14 | 23 |
0.8%
|
|
| 15 | 143 |
4.8%
|
|
| 16 | 21 |
0.7%
|
|
| 17 | 24 |
0.8%
|
|
| 18 | 34 |
1.2%
|
|
| 19 | 21 |
0.7%
|
|
| 20 | 235 |
8%
|
|
| 21 | 17 |
0.6%
|
|
| 22 | 30 |
1%
|
|
| 23 | 41 |
1.4%
|
|
| 24 | 12 |
0.4%
|
|
| 25 | 103 |
3.5%
|
|
| 26 | 13 |
0.4%
|
|
| 27 | 23 |
0.8%
|
|
| 28 | 16 |
0.5%
|
|
| 29 | 3 |
0.1%
|
|
| 30 | 105 |
3.6%
|
|
| 31 | 7 |
0.2%
|
|
| 32 | 9 |
0.3%
|
|
| 33 | 6 |
0.2%
|
|
| 34 | 7 |
0.2%
|
|
| 35 | 21 |
0.7%
|
|
| 36 | 5 |
0.2%
|
|
| 37 | 4 |
0.1%
|
|
| 38 | 9 |
0.3%
|
|
| 39 | 3 |
0.1%
|
|
| 40 | 25 |
0.8%
|
|
| 41 | 1 |
0%
|
|
| 42 | 2 |
0.1%
|
|
| 43 | 4 |
0.1%
|
|
| 44 | 1 |
0%
|
|
| 45 | 7 |
0.2%
|
|
| 47 | 1 |
0%
|
|
| 48 | 2 |
0.1%
|
|
| 50 | 6 |
0.2%
|
|
| 51 | 1 |
0%
|
|
| 52 | 2 |
0.1%
|
|
| 53 | 1 |
0%
|
|
| 60 | 2 |
0.1%
|
|
| 72 | 1 |
0%
|