| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refused |
| -5 | Not applicable |
| -3 | Missing |
| 1 | |
| 130 | |
| 300 | |
| 310 | |
| 320 | |
| 330 | |
| 350 | |
| 390 | |
| 500 | |
| 600 | |
| 630 | |
| 640 | |
| 650 | |
| 700 | |
| 800 | |
| 900 | |
| 960 | |
| 1000 | |
| 1050 | |
| 1070 | |
| 1100 | |
| 1130 | |
| 1140 | |
| 1150 | |
| 1160 | |
| 1170 | |
| 1200 | |
| 1210 | |
| 1220 | |
| 1230 | |
| 1235 | |
| 1240 | |
| 1250 | |
| 1260 | |
| 1270 | |
| 1280 | |
| 1290 | |
| 1300 | |
| 1310 | |
| 1320 | |
| 1330 | |
| 1335 | |
| 1340 | |
| 1350 | |
| 1360 | |
| 1370 | |
| 1375 | |
| 1380 | |
| 1390 | |
| 1400 | |
| 1410 | |
| Sysmiss |