| Value | Category | Cases | |
|---|---|---|---|
| 1 | within 1 year | 64 |
23.1%
|
| 2 | within 1-2 years | 53 |
19.1%
|
| 3 | within 2-5 years | 155 |
56%
|
| 6 | invalid | 5 |
1.8%
|