| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 90 |
4.1%
|
| 1 | One year or less | 7 |
0.3%
|
| 2 | 6 |
0.3%
|
|
| 3 | 19 |
0.9%
|
|
| 4 | 11 |
0.5%
|
|
| 5 | 61 |
2.8%
|
|
| 6 | 37 |
1.7%
|
|
| 7 | 27 |
1.2%
|
|
| 8 | 63 |
2.9%
|
|
| 9 | 13 |
0.6%
|
|
| 10 | 163 |
7.4%
|
|
| 11 | 16 |
0.7%
|
|
| 12 | 45 |
2.1%
|
|
| 13 | 34 |
1.6%
|
|
| 14 | 30 |
1.4%
|
|
| 15 | 213 |
9.7%
|
|
| 16 | 34 |
1.6%
|
|
| 17 | 19 |
0.9%
|
|
| 18 | 44 |
2%
|
|
| 19 | 14 |
0.6%
|
|
| 20 | 371 |
16.9%
|
|
| 21 | 12 |
0.5%
|
|
| 22 | 37 |
1.7%
|
|
| 23 | 12 |
0.5%
|
|
| 24 | 34 |
1.6%
|
|
| 25 | 146 |
6.7%
|
|
| 26 | 26 |
1.2%
|
|
| 27 | 13 |
0.6%
|
|
| 28 | 15 |
0.7%
|
|
| 29 | 2 |
0.1%
|
|
| 30 | 300 |
13.7%
|
|
| 31 | 9 |
0.4%
|
|
| 32 | 19 |
0.9%
|
|
| 33 | 8 |
0.4%
|
|
| 34 | 5 |
0.2%
|
|
| 35 | 78 |
3.6%
|
|
| 36 | 10 |
0.5%
|
|
| 37 | 5 |
0.2%
|
|
| 38 | 6 |
0.3%
|
|
| 39 | 2 |
0.1%
|
|
| 40 | 82 |
3.7%
|
|
| 41 | 1 |
0%
|
|
| 42 | 5 |
0.2%
|
|
| 43 | 2 |
0.1%
|
|
| 45 | 18 |
0.8%
|
|
| 48 | 1 |
0%
|
|
| 50 | 15 |
0.7%
|
|
| 52 | 3 |
0.1%
|
|
| 54 | 1 |
0%
|
|
| 55 | 3 |
0.1%
|
|
| 60 | 2 |
0.1%
|