| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 1 |
1.2%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1000 | 4 |
4.7%
|
|
| 1400 | 2 |
2.4%
|
|
| 1500 | 23 |
27.1%
|
|
| 1520 | 1 |
1.2%
|
|
| 1540 | 1 |
1.2%
|
|
| 1550 | 1 |
1.2%
|
|
| 1560 | 2 |
2.4%
|
|
| 1600 | 47 |
55.3%
|
|
| 1620 | 1 |
1.2%
|
|
| 1650 | 1 |
1.2%
|
|
| 1800 | 1 |
1.2%
|
|
| Sysmiss | 914 |