| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less Than 1 Year | 237 |
93.7%
|
| 1 | 7 |
2.8%
|
|
| 2 | 3 |
1.2%
|
|
| 98 | D.K. | 6 |
2.4%
|
| 88 | N.A. | 0 | |
| 99 | 64 |