| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than 1 year | 7420 |
3.3%
|
| 1 | Completed 1 year | 10569 |
4.7%
|
| 2 | Completed 2 years | 15594 |
6.9%
|
| 3 | Completed 3 years | 13180 |
5.8%
|
| 4 | Completed 4 years | 13819 |
6.1%
|
| 5 | Completed 5 years | 16360 |
7.3%
|
| 6 | Completed 6 years | 10860 |
4.8%
|
| 7 | Completed 7 years | 6918 |
3.1%
|
| 8 | Completed 8 years | 8504 |
3.8%
|
| 9 | Completed 9 years or more | 122254 |
54.2%
|