| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than 1 year | 40595 |
2.8%
|
| 1 | Completed 1 year | 49355 |
3.4%
|
| 2 | Completed 2 years | 91021 |
6.3%
|
| 3 | Completed 3 years | 100813 |
7%
|
| 4 | Completed 4 years | 99284 |
6.8%
|
| 5 | Completed 5 years | 189655 |
13.1%
|
| 6 | Completed 6 years | 103262 |
7.1%
|
| 7 | Completed 7 years | 61403 |
4.2%
|
| 8 | Completed 8 years | 86210 |
5.9%
|
| 9 | Completed 9 years or more | 628067 |
43.3%
|