Year
.
1969
48 000 a
--- b
---
1970
---
---
---
1971
---
---
15 050
1972
---
---
31 823
1973
31 000
--- b
--- c
1974
13 400
--- b
--- d
a For Apollo applications.
b Authorization figures were not broken down to include this category.
c It was estimated in the FY 1974 budget estimate that $39 300 000 would be programmed in FY 1973.
d The Skylab budget was not broken down by categories in the FY 1975 budget estimate; the total programmed was $176 700 000.