| Value | Category | Cases | |
|---|---|---|---|
| 0 | less than one year | 1110 |
21.6%
|
| 1 | 762 |
14.8%
|
|
| 2 | 835 |
16.3%
|
|
| 3 | 673 |
13.1%
|
|
| 4 | 498 |
9.7%
|
|
| 5 | 373 |
7.3%
|
|
| 6 | 274 |
5.3%
|
|
| 7 | 168 |
3.3%
|
|
| 8 | 138 |
2.7%
|
|
| 9 | 68 |
1.3%
|
|
| 10 | 96 |
1.9%
|
|
| 11 | 36 |
0.7%
|
|
| 12 | 43 |
0.8%
|
|
| 13 | 17 |
0.3%
|
|
| 14 | 19 |
0.4%
|
|
| 15 | 15 |
0.3%
|
|
| 16 | 3 |
0.1%
|
|
| 17 | 4 |
0.1%
|
|
| 18 | 2 |
0%
|
|
| 19 | 2 |
0%
|
|
| Sysmiss | 30647 |