|
1963 and prior |
$38 304 000 |
|
1964 |
16 740 000 |
|
1965 |
16 674 000 |
|
1966 |
19 256 000 |
|
1967 |
19 928 000 |
|
1968 |
19 856 000 |
|
1969 |
12 234 000 |
|
1970 |
18 500 000 |
|
. | |
|
Total |
161 492 000 |
Source: NASA Headquarters, Physics and Astronomy Office.