10 0 RESERVED
21 1 EXELLENT - WITHIN 3 METRES
32 2 GOOD - WITHIN 10 METRES
43 3 FAIR - WITHIN 20 METRES
54 4 POOR - MORE THAN 20 METRES
65 5 EXELLENT -WITHIN 10 FEET
76 6 GOOD WITHIN-30 FEET
87 7 FAIR WITHIN 60 FEET
98 8 POOR - MORE THAN 60 FEET
1015 15 MISSING VALUE
11