| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than 1 year | 2569 |
3.6%
|
| 1 | Completed 1 year | 2957 |
4.1%
|
| 2 | Completed 2 years | 4439 |
6.2%
|
| 3 | Completed 3 years | 3737 |
5.2%
|
| 4 | Completed 4 years | 3982 |
5.6%
|
| 5 | Completed 5 years | 6332 |
8.8%
|
| 6 | Completed 6 years | 2731 |
3.8%
|
| 7 | Completed 7 years | 1872 |
2.6%
|
| 8 | Completed 8 years | 2463 |
3.4%
|
| 9 | Completed 9 years or more | 40576 |
56.6%
|