| Value | Category |
|---|---|
| -2 | don't know |
| -1 | not applicable |
| 1 | regular subject |
| 2 | integrated into other subjects |
| 3 | special presentations/guest speakers |
| 5 | regular subjects & integrated into other suibjects |
| 6 | regular subject/special presentations |
| 7 | regular subjects/integrated/special presentations |
| 8 | integraed into other subjects/special presentations |