| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | One year or less | 1 |
0.3%
|
| 3 | 2 |
0.5%
|
|
| 4 | 6 |
1.6%
|
|
| 5 | 7 |
1.8%
|
|
| 6 | 5 |
1.3%
|
|
| 7 | 6 |
1.6%
|
|
| 8 | 17 |
4.5%
|
|
| 9 | 5 |
1.3%
|
|
| 10 | 40 |
10.5%
|
|
| 11 | 14 |
3.7%
|
|
| 12 | 22 |
5.8%
|
|
| 13 | 13 |
3.4%
|
|
| 14 | 8 |
2.1%
|
|
| 15 | 38 |
10%
|
|
| 16 | 18 |
4.7%
|
|
| 17 | 7 |
1.8%
|
|
| 18 | 15 |
3.9%
|
|
| 19 | 3 |
0.8%
|
|
| 20 | 55 |
14.5%
|
|
| 21 | 6 |
1.6%
|
|
| 22 | 8 |
2.1%
|
|
| 23 | 4 |
1.1%
|
|
| 24 | 4 |
1.1%
|
|
| 25 | 22 |
5.8%
|
|
| 26 | 1 |
0.3%
|
|
| 27 | 2 |
0.5%
|
|
| 28 | 3 |
0.8%
|
|
| 29 | 2 |
0.5%
|
|
| 30 | 30 |
7.9%
|
|
| 33 | 1 |
0.3%
|
|
| 34 | 1 |
0.3%
|
|
| 37 | 4 |
1.1%
|
|
| 40 | 2 |
0.5%
|
|
| 41 | 1 |
0.3%
|
|
| 42 | 1 |
0.3%
|
|
| 44 | 1 |
0.3%
|
|
| 46 | 1 |
0.3%
|
|
| 47 | 1 |
0.3%
|
|
| 50 | 2 |
0.5%
|
|
| 57 | 1 |
0.3%
|