| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than 1 year | 57487 |
2%
|
| 1 | Completed 1 year | 119760 |
4.2%
|
| 2 | Completed 2 years | 207482 |
7.3%
|
| 3 | Completed 3 years | 214442 |
7.6%
|
| 4 | Completed 4 years | 212828 |
7.5%
|
| 5 | Completed 5 years | 315323 |
11.2%
|
| 6 | Completed 6 years | 198778 |
7%
|
| 7 | Completed 7 years | 122769 |
4.3%
|
| 8 | Completed 8 years | 150928 |
5.3%
|
| 9 | Completed 9 years or more | 1227716 |
43.4%
|