| N | Grade I | Grade II | Grade III | Grade IV | |
| Woman | 499 | 307 | 171 | 21 | 0 |
| C/S | 346 | 207 (59.8%) | 124 (35.8%) | 15 (4.3%) | 0 |
| Non C/S | 153 | 100 (65.3%) | 47 (30.7%) | 6 (3.9%) | 0 |
| Man | 183 | 129 (70.4%) | 47 (25.6%) | 6 (3.3%) | 1 (0.54%) |
| Total | 682 | 436 | 218 | 27 | 1 |