0 0 NO ASSESSMENT
1 1 LESS THAN 50 KM
2 2 BETWEEN 50 AND 200 KM
3 3 MORE THAN 200 KM
4 4 LESS THAN 50 KM
5 5 BETWEEN 50 AND 200 KM
6 6 MORE THAN 200 KM
7 7 LESS THANK 50 KM
8 8 BETWEEN 50 AND 200 KM
9 9 MORE THAN 200 KM
15 15 MISSING VALUE