| Value | Category | Cases | |
|---|---|---|---|
| 0 | I do not take extra tuition | 43445 |
70.8%
|
| 1 | No payment | 7491 |
12.2%
|
| 2 | Money payment | 8740 |
14.2%
|
| 3 | Another kind of payment | 881 |
1.4%
|
| 4 | Both money & kind payment | 839 |
1.4%
|