| Value | Category | Cases | |
|---|---|---|---|
| 0 | 82 |
2.8%
|
|
| 1 | 159 |
5.5%
|
|
| 2 | 161 |
5.6%
|
|
| 3 | 188 |
6.5%
|
|
| 4 | 143 |
4.9%
|
|
| 5 | 130 |
4.5%
|
|
| 6 | 154 |
5.3%
|
|
| 7 | 85 |
2.9%
|
|
| 8 | 80 |
2.8%
|
|
| 9 | 61 |
2.1%
|
|
| 10 | 66 |
2.3%
|
|
| 11 | 37 |
1.3%
|
|
| 12 | 227 |
7.8%
|
|
| 13 | 28 |
1%
|
|
| 14 | 42 |
1.5%
|
|
| 15 | 39 |
1.3%
|
|
| 16 | 37 |
1.3%
|
|
| 17 | 19 |
0.7%
|
|
| 18 | 55 |
1.9%
|
|
| 19 | 15 |
0.5%
|
|
| 20 | 34 |
1.2%
|
|
| 21 | 15 |
0.5%
|
|
| 22 | 18 |
0.6%
|
|
| 23 | 21 |
0.7%
|
|
| 95 | two or more years | 1000 |
34.5%
|
| 98 | don't know | 0 |
0%
|
| Sysmiss | 121 |