Duration (months) | Frequency | Percentage |
<3 | 2 | 4.2 |
3 - 6 | 4 | 8.4 |
6 - 9 | 5 | 10.4 |
9 - 12 | 8 | 16.6 |
12 - 15 | 15 | 31.2 |
15 - 18 | 8 | 16.6 |
18 - 24 | 4 | 8.4 |
>24 | 2 | 4.2 |
Total | 48 | 100 |