| Value |
Category |
| 1 |
<3_GRDS_BLW+EARLIER> |
| 2 |
<2_GRDS_BLW> |
| 3 |
<1_GRD_BLW> |
| 4 |
|
| 5 |
NOT IN THESE GRADES |
| 9 |
OMITTED |
| 11 |
.A |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.