| Value | Category | Cases | |
|---|---|---|---|
| 0 | less than 1 year | 4519 |
5.5%
|
| 1 | 2410 |
3%
|
|
| 2 | 2377 |
2.9%
|
|
| 3 | 2870 |
3.5%
|
|
| 4 | 3127 |
3.8%
|
|
| 5 | 3481 |
4.3%
|
|
| 6 | 4868 |
6%
|
|
| 7 | 4007 |
4.9%
|
|
| 8 | 4582 |
5.6%
|
|
| 9 | 5985 |
7.3%
|
|
| 10 | 4140 |
5.1%
|
|
| 11 | 6901 |
8.5%
|
|
| 12 | 6584 |
8.1%
|
|
| 13 | 1450 |
1.8%
|
|
| 14 | 3319 |
4.1%
|
|
| 15 | 943 |
1.2%
|
|
| 16 | 3749 |
4.6%
|
|
| 17 | 383 |
0.5%
|
|
| 18 | 299 |
0.4%
|
|
| 19 | 118 |
0.1%
|
|
| 20 | 43 |
0.1%
|
|
| 21 | 30 |
0%
|
|
| 22 | 28 |
0%
|
|
| 23 | 10 |
0%
|
|
| 24 | 10 |
0%
|
|
| 25 | 4 |
0%
|
|
| 26 | 1 |
0%
|
|
| 98 | don't know | 57 |
0.1%
|
| Sysmiss | 15215 |