| Value | Category | Cases | |
|---|---|---|---|
| 8 | 21 |
0.2%
|
|
| 9 | 147 |
1.3%
|
|
| 10 | 320 |
2.7%
|
|
| 11 | 1362 |
11.6%
|
|
| 12 | 2937 |
25%
|
|
| 13 | 3100 |
26.4%
|
|
| 14 | 2143 |
18.2%
|
|
| 15 | 1181 |
10%
|
|
| 16 | 363 |
3.1%
|
|
| 17 | 117 |
1%
|
|
| 18 | 56 |
0.5%
|
|
| 19 | 5 |
0%
|
|
| 20 | 3 |
0%
|
|
| 21 | 2 |
0%
|
|
| 25 | 1 |
0%
|
|
| 28 | 1 |
0%
|
|
| 96 | never menstruated | 0 |
0%
|