0 0 RANGES BETWEEN 0 AND 30 CM
1 1 RANGES BETWEEN 30 AND 60 CM
2 2 RANGES BETWEEN 60 AND 90 CM
3 3 RANGES BETWEEN 90 AND 120 CM
4 4 RANGES BETWEEN 120 AND 150 CM
5 5 RANGES BETWEEN 150 AND 180 CM
6 6 RANGES BETWEEN 180 AND 210 CM
7 7 RANGES BETWEEN 210 AND 240 CM
8 8 RANGES BETWEEN 240 AND 270 CM
9 9 RANGES LARGER THAN 270 CM
15 15 MISSING VALUE
