Year
.
1969
12 800
8676
1970
13 000
9598
1971
16 400
35 605a
1972
13 900
29 152
1973
19 900
20 970
1974
19 900
19 400
1975
25 600
20 313
1976
22 500b
19 150
1977
19 000
19 000
1978
20 000
18 632
*The STADAN and the Manned Spaceflight Network were combined in the FY 1973 budget estimate.
a The amount programmed for STADAN only was estimated at $18 100 000 in the FY 1972 budget estimate.
b Includes $5 100 000 for the transition quarter.