| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than 1 year | 34403 |
1.8%
|
| 1 | Completed 1 year | 84356 |
4.4%
|
| 2 | Completed 2 years | 147819 |
7.7%
|
| 3 | Completed 3 years | 143595 |
7.5%
|
| 4 | Completed 4 years | 162938 |
8.5%
|
| 5 | Completed 5 years | 200683 |
10.5%
|
| 6 | Completed 6 years | 140175 |
7.3%
|
| 7 | Completed 7 years | 52306 |
2.7%
|
| 8 | Completed 8 years | 96104 |
5%
|
| 9 | Completed 9 years or more | 849252 |
44.4%
|