| (%) | (%) | (%) | (yuan) |
S0 | 5 | 0 | 0 | 0 |
S1 | 28 | 2.5 | 1 | 103 |
S2 | 21 | 1.5 | 2 | 198 |
S3 | 23 | 5.5 | 4.5 | 52 |
S4 | 25 | 2.6 | 6.5 | 40 |