| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than 1 year | 430 |
1.7%
|
| 1 | Completed 1 year | 1137 |
4.6%
|
| 2 | Completed 2 years | 2014 |
8.1%
|
| 3 | Completed 3 years | 2396 |
9.6%
|
| 4 | Completed 4 years | 1915 |
7.7%
|
| 5 | Completed 5 years | 2573 |
10.3%
|
| 6 | Completed 6 years | 1495 |
6%
|
| 7 | Completed 7 years | 1190 |
4.8%
|
| 8 | Completed 8 years | 843 |
3.4%
|
| 9 | Completed 9 years or more | 10950 |
43.9%
|