| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than 1 year | 62126 |
1.9%
|
| 1 | Completed 1 year | 140132 |
4.3%
|
| 2 | Completed 2 years | 245128 |
7.6%
|
| 3 | Completed 3 years | 229272 |
7.1%
|
| 4 | Completed 4 years | 240680 |
7.4%
|
| 5 | Completed 5 years | 358848 |
11.1%
|
| 6 | Completed 6 years | 183467 |
5.7%
|
| 7 | Completed 7 years | 159743 |
4.9%
|
| 8 | Completed 8 years | 147167 |
4.6%
|
| 9 | Completed 9 years or more | 1467459 |
45.4%
|