| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (Spontaneous) | 49 |
5.6%
|
| 0 | None | 75 |
8.6%
|
| 2 | 1 |
0.1%
|
|
| 5 | 2 |
0.2%
|
|
| 8 | 1 |
0.1%
|
|
| 10 | 8 |
0.9%
|
|
| 11 | 1 |
0.1%
|
|
| 13 | 2 |
0.2%
|
|
| 15 | 1 |
0.1%
|
|
| 18 | 1 |
0.1%
|
|
| 20 | 11 |
1.3%
|
|
| 25 | 1 |
0.1%
|
|
| 27 | 1 |
0.1%
|
|
| 30 | 14 |
1.6%
|
|
| 35 | 2 |
0.2%
|
|
| 37 | 1 |
0.1%
|
|
| 38 | 2 |
0.2%
|
|
| 39 | 1 |
0.1%
|
|
| 40 | 30 |
3.4%
|
|
| 45 | 4 |
0.5%
|
|
| 50 | 55 |
6.3%
|
|
| 55 | 4 |
0.5%
|
|
| 60 | 101 |
11.6%
|
|
| 62 | 1 |
0.1%
|
|
| 65 | 10 |
1.1%
|
|
| 70 | 124 |
14.2%
|
|
| 72 | 1 |
0.1%
|
|
| 75 | 29 |
3.3%
|
|
| 79 | 1 |
0.1%
|
|
| 80 | 96 |
11%
|
|
| 84 | 2 |
0.2%
|
|
| 85 | 21 |
2.4%
|
|
| 88 | 4 |
0.5%
|
|
| 89 | 1 |
0.1%
|
|
| 90 | 56 |
6.4%
|
|
| 95 | 6 |
0.7%
|
|
| 96 | 3 |
0.3%
|
|
| 98 | 2 |
0.2%
|
|
| 100 | 146 |
16.8%
|
|
| Sysmiss | 702 |