| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than 1 year | 3785 |
1.8%
|
| 1 | Completed 1 year | 5737 |
2.7%
|
| 2 | Completed 2 years | 10344 |
4.8%
|
| 3 | Completed 3 years | 10622 |
4.9%
|
| 4 | Completed 4 years | 12436 |
5.8%
|
| 5 | Completed 5 years | 18470 |
8.6%
|
| 6 | Completed 6 years | 14523 |
6.7%
|
| 7 | Completed 7 years | 12252 |
5.7%
|
| 8 | Completed 8 years | 13102 |
6.1%
|
| 9 | Completed 9 years or more | 114329 |
53%
|