-2.1	0	NA	0
-2.2	1	NA	11
-2.3	3	0	NA
-2.4	1	0	3
-2.5	3	0	0
-2.6	2	0	0
-2.7	0	0	3
-2.8	0	0	8
-2.9	0	0	0
-3	NA	1	3
-3.1	NA	0	1
-3.2	NA	4	2