Table 5.
Frequency | Percentage (%) | Effective percentage (%) | Cumulative percentage (%) | |
---|---|---|---|---|
Within half a month | 43 | 11.4 | 11.4 | 11.4 |
Half a month ~1 month | 77 | 20.5 | 20.5 | 31.9 |
1 month | 75 | 19.9 | 19.9 | 51.9 |
1 month~2 months | 90 | 23.9 | 23.9 | 75.8 |
2 months~3 months | 51 | 13.6 | 13.6 | 89.4 |
3 months ~ half a year | 23 | 6.1 | 6.1 | 95.5 |
More than half a year | 17 | 4.5 | 4.5 | 100.0 |
Total | 376 | 100.0 | 100.0 |