| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | One year or less | 1 |
0.9%
|
| 4 | 1 |
0.9%
|
|
| 5 | 6 |
5.3%
|
|
| 6 | 2 |
1.8%
|
|
| 7 | 4 |
3.5%
|
|
| 8 | 2 |
1.8%
|
|
| 9 | 2 |
1.8%
|
|
| 10 | 11 |
9.6%
|
|
| 11 | 2 |
1.8%
|
|
| 12 | 4 |
3.5%
|
|
| 13 | 3 |
2.6%
|
|
| 14 | 2 |
1.8%
|
|
| 15 | 5 |
4.4%
|
|
| 16 | 3 |
2.6%
|
|
| 18 | 2 |
1.8%
|
|
| 19 | 1 |
0.9%
|
|
| 20 | 14 |
12.3%
|
|
| 21 | 1 |
0.9%
|
|
| 22 | 3 |
2.6%
|
|
| 23 | 1 |
0.9%
|
|
| 24 | 3 |
2.6%
|
|
| 25 | 6 |
5.3%
|
|
| 26 | 1 |
0.9%
|
|
| 27 | 1 |
0.9%
|
|
| 30 | 8 |
7%
|
|
| 33 | 1 |
0.9%
|
|
| 34 | 1 |
0.9%
|
|
| 35 | 7 |
6.1%
|
|
| 36 | 1 |
0.9%
|
|
| 37 | 1 |
0.9%
|
|
| 38 | 1 |
0.9%
|
|
| 40 | 3 |
2.6%
|
|
| 42 | 2 |
1.8%
|
|
| 43 | 1 |
0.9%
|
|
| 45 | 1 |
0.9%
|
|
| 46 | 1 |
0.9%
|
|
| 47 | 1 |
0.9%
|
|
| 50 | 2 |
1.8%
|
|
| 61 | 1 |
0.9%
|
|
| 62 | 1 |
0.9%
|