| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than 1 year | 1623 |
2.9%
|
| 1 | Completed 1 year | 2121 |
3.8%
|
| 2 | Completed 2 years | 3335 |
5.9%
|
| 3 | Completed 3 years | 3730 |
6.6%
|
| 4 | Completed 4 years | 3040 |
5.4%
|
| 5 | Completed 5 years | 4593 |
8.1%
|
| 6 | Completed 6 years | 3025 |
5.4%
|
| 7 | Completed 7 years | 2266 |
4%
|
| 8 | Completed 8 years | 2006 |
3.6%
|
| 9 | Completed 9 years or more | 30758 |
54.4%
|