| Data file | Cases | Variables |
|---|---|---|
| LEVEL_01_Section_1_1-1.sav | 261953 | 21 |
| LEVEL_02_Section_3.sav | 1107221 | 36 |
| LEVEL_03.sav | 261953 | 40 |
| LEVEL_04_Section_4-1.sav | 261953 | 38 |
| LEVEL_05_Sec_5_6.sav | 12754437 | 25 |
| LEVEL_06_Section_7.sav | 1757264 | 23 |
| LEVEL_07_Section_4-2.sav | 261953 | 47 |
| LEVEL_08_Section_8-1.sav | 1499971 | 25 |
| LEVEL_09_Section_9_10_11.sav | 8259120 | 21 |
| LEVEL_10_Section_12.sav | 829310 | 25 |
| LEVEL_11_Section_4-3.sav | 261953 | 59 |
| LEVEL_12_Section_13.sav | 4707351 | 22 |
| LEVEL_13_Section_14.sav | 4951749 | 27 |
| LEVEL_14_Section_A1_B1_C1.sav | 8296569 | 22 |
| LEVEL_15_Section_1-1_A2_B2_C2.sav | 1047812 | 28 |