| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.1%
|
| 1 | One year or less | 3 |
0.3%
|
| 2 | 10 |
1%
|
|
| 3 | 27 |
2.7%
|
|
| 4 | 46 |
4.5%
|
|
| 5 | 91 |
9%
|
|
| 6 | 76 |
7.5%
|
|
| 7 | 70 |
6.9%
|
|
| 8 | 52 |
5.1%
|
|
| 9 | 69 |
6.8%
|
|
| 10 | 106 |
10.5%
|
|
| 11 | 36 |
3.6%
|
|
| 12 | 49 |
4.8%
|
|
| 13 | 33 |
3.3%
|
|
| 14 | 28 |
2.8%
|
|
| 15 | 52 |
5.1%
|
|
| 16 | 28 |
2.8%
|
|
| 17 | 18 |
1.8%
|
|
| 18 | 18 |
1.8%
|
|
| 19 | 17 |
1.7%
|
|
| 20 | 56 |
5.5%
|
|
| 21 | 7 |
0.7%
|
|
| 22 | 14 |
1.4%
|
|
| 23 | 11 |
1.1%
|
|
| 24 | 10 |
1%
|
|
| 25 | 25 |
2.5%
|
|
| 26 | 7 |
0.7%
|
|
| 27 | 10 |
1%
|
|
| 28 | 7 |
0.7%
|
|
| 29 | 6 |
0.6%
|
|
| 30 | 17 |
1.7%
|
|
| 31 | 1 |
0.1%
|
|
| 32 | 5 |
0.5%
|
|
| 33 | 3 |
0.3%
|
|
| 34 | 1 |
0.1%
|
|
| 35 | 1 |
0.1%
|
|
| 36 | 2 |
0.2%
|