10 0 RESERVED
21 1 AREA COVERED BY ISOLATED BANDS < 10 M2
32 2 AREA COVERED BY ISOLATED BANDS 10 - 100 M2
43 3 AREA COVERED BY ISOLATED BANDS 100 - 1000 M2
54 4 AREA COVERED BY ISOLATED BANDS 1 000 - 10000 M2
65 5 AREA COVERED BY ISOLATED BANDS 1 - 10 HA
76 6 AREA COVERED BY ISOLATED BANDS > 10 HA
87 7 AREA COVERED BY DISPERSED BANDS < 100 KM2
98 8 AREA COVERED BY DISPERSED BANDS 100 - 1000 KM2
109 9 AREA COVERED BY DISPERSED BANDS > 1000 KM2
1110 10 SIZE OF SWARM AND/OR DURATION OF PASSAGE NOT DETERMINED OWIN"  G TO DARKNESS OR SIMILAR PHENOMENA
1215 15 MISSING VALUE
13