| Value | Category | Cases | |
|---|---|---|---|
| 0 | less than 1 year | 32 |
7.8%
|
| 1 | 33 |
8.1%
|
|
| 2 | 95 |
23.2%
|
|
| 3 | 63 |
15.4%
|
|
| 4 | 31 |
7.6%
|
|
| 5 | 38 |
9.3%
|
|
| 6 | 22 |
5.4%
|
|
| 7 | 22 |
5.4%
|
|
| 8 | 16 |
3.9%
|
|
| 9 | 8 |
2%
|
|
| 10 | 15 |
3.7%
|
|
| 11 | 4 |
1%
|
|
| 12 | 10 |
2.4%
|
|
| 15 | 2 |
0.5%
|
|
| 16 | 3 |
0.7%
|
|
| 17 | 9 |
2.2%
|
|
| 18 | 2 |
0.5%
|
|
| 19 | 1 |
0.2%
|
|
| 20 | 1 |
0.2%
|
|
| 22 | 1 |
0.2%
|
|
| 30 | 1 |
0.2%
|
|
| Sysmiss | 1871 |