Year
.
1969
2 000a
1 375
1970
6 500
1 747
1971
13 000
21 921
1972
15 000
19 383
1973
9 800
5 997
1974
2 200
4 917
1975
3 200
4 000
1976
13 300b
7 855
1977
8 430
7 173
1978
14 925
15 000
a For spacecraft and support.
b Includes $3 200 000 for the transition quarter.