| Value | Category | Cases | |
|---|---|---|---|
| 18 | 52 |
14.4%
|
|
| 19 | 32 |
8.8%
|
|
| 20 | 80 |
22.1%
|
|
| 21 | 5 |
1.4%
|
|
| 22 | 25 |
6.9%
|
|
| 23 | 8 |
2.2%
|
|
| 24 | 10 |
2.8%
|
|
| 25 | 36 |
9.9%
|
|
| 26 | 10 |
2.8%
|
|
| 27 | 10 |
2.8%
|
|
| 28 | 8 |
2.2%
|
|
| 29 | 5 |
1.4%
|
|
| 30 | 22 |
6.1%
|
|
| 31 | 3 |
0.8%
|
|
| 32 | 3 |
0.8%
|
|
| 33 | 1 |
0.3%
|
|
| 34 | 4 |
1.1%
|
|
| 35 | 16 |
4.4%
|
|
| 36 | 1 |
0.3%
|
|
| 37 | 5 |
1.4%
|
|
| 38 | 2 |
0.6%
|
|
| 40 | 5 |
1.4%
|
|
| 41 | 1 |
0.3%
|
|
| 42 | 2 |
0.6%
|
|
| 45 | 3 |
0.8%
|
|
| 46 | 1 |
0.3%
|
|
| 47 | 1 |
0.3%
|
|
| 50 | 2 |
0.6%
|
|
| 52 | 1 |
0.3%
|
|
| 60 | 2 |
0.6%
|
|
| 62 | 1 |
0.3%
|
|
| 70 | 1 |
0.3%
|
|
| 1992 | 1 |
0.3%
|
|
| 1995 | 1 |
0.3%
|
|
| 1998 | 1 |
0.3%
|
|
| 2000 | 1 |
0.3%
|
|
| Sysmiss | 2266 |