| Value | Category | Cases | |
|---|---|---|---|
| 1 | Unregistered before voucher expiration and registered after voucher expiration | 20 |
19.8%
|
| 2 | Unregistered before, unregistered after | 67 |
66.3%
|
| 3 | Registered before, registered after | 12 |
11.9%
|
| 4 | Registered before, unregistered after | 2 |
2%
|
| Sysmiss | 2221 |