| Value | Category | Cases | |
|---|---|---|---|
| 0 | less than one year | 490 |
9.7%
|
| 1 | 476 |
9.4%
|
|
| 2 | 712 |
14.1%
|
|
| 3 | 570 |
11.3%
|
|
| 4 | 601 |
11.9%
|
|
| 5 | 547 |
10.9%
|
|
| 6 | 448 |
8.9%
|
|
| 7 | 311 |
6.2%
|
|
| 8 | 268 |
5.3%
|
|
| 9 | 175 |
3.5%
|
|
| 10 | 196 |
3.9%
|
|
| 11 | 76 |
1.5%
|
|
| 12 | 89 |
1.8%
|
|
| 13 | 11 |
0.2%
|
|
| 14 | 14 |
0.3%
|
|
| 15 | 30 |
0.6%
|
|
| 16 | 9 |
0.2%
|
|
| 17 | 1 |
0%
|
|
| 18 | 10 |
0.2%
|
|
| 19 | 5 |
0.1%
|
|
| Sysmiss | 57554 |