| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than a year | 1070 |
3.6%
|
| 1 | 52 |
0.2%
|
|
| 2 | 111 |
0.4%
|
|
| 3 | 216 |
0.7%
|
|
| 4 | 699 |
2.3%
|
|
| 5 | 1283 |
4.3%
|
|
| 6 | 1827 |
6.1%
|
|
| 7 | 1441 |
4.8%
|
|
| 8 | 1649 |
5.5%
|
|
| 9 | 2300 |
7.6%
|
|
| 10 | 1513 |
5%
|
|
| 11 | 2878 |
9.6%
|
|
| 12 | 2500 |
8.3%
|
|
| 13 | 605 |
2%
|
|
| 14 | 1387 |
4.6%
|
|
| 15 | 405 |
1.3%
|
|
| 16 | 1645 |
5.5%
|
|
| 17 | 154 |
0.5%
|
|
| 18 | 134 |
0.4%
|
|
| 19 | 38 |
0.1%
|
|
| 20 | 22 |
0.1%
|
|
| 21 | 7 |
0%
|
|
| 22 | 13 |
0%
|
|
| 23 | 4 |
0%
|
|
| 24 | 2 |
0%
|
|
| 25 | 2 |
0%
|
|
| 26 | 1 |
0%
|
|
| 46 | 1 |
0%
|
|
| 56 | 1 |
0%
|
|
| 69 | 1 |
0%
|
|
| 88 | 1 |
0%
|
|
| 89 | 2 |
0%
|
|
| 98 | I do not know | 12 |
0%
|
| Sysmiss | 8112 |