Plastic Bullets Fired 1969-81
Jan
Feb
Mar
Apr
May
June
July
Aug
Sep
Oct
Nov
Dec
1969
0
1970
1971
1972
1973
41
1
1974
175
39
2
1975
4
303
97
144
2313
561
16
38
1976
7
541
49
108
66
192
171
2137
63
71
22
37
1977
25
15
147
30
1098
6
1978
10
31
8
148
1208
11
297
1979
60
23
56
832
135
12
27
1980
59
3
70
113
780
14
134
1981
68
48
320
1959
16656
606
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