0 0 RESERVED
1 1 10 TO LESS THAN 20 MM?
2 2 RESERVED
3 3 20 TO LESS THAN 40 MM
4 4 RESERVED
5 5 40 TO LESS THAN 60 MM
6 6 RESERVED
7 7 60 TO LESS THAN 90 MM
8 8 90 TO LESS THAN 110 MM
9 9 110 MM AND GREATER
15 15 MISSING VALUE
