Group | Number of primary CS* (n) | Percentage (%) |
1 | 363 | 35.9 |
2 | 33 | 3.3 |
3 | 290 | 28.8 |
4 | 28 | 2.8 |
5 | - | - |
6 | 44 | 4.4 |
7 | 50 | 5 |
8 | 92 | 9.1 |
9 | 15 | 1.5 |
10 | 93 | 9.2 |
Total | 1008 | 100 |