Year
.
1969
2 000
---
2 300
1970
14 100
14 100
15 000
1971
41 500
41 500
55 750
1972
37 500
---
52 080
1973
35 400
35 400
32 600
1974
12 400
---
17 400 a
1975
15 100 b
---
17 700
1976
21 800 c
---
18 100
1977
20 000 d
---
21 200
1978
40 900
---
61 955
a Includes $1 000 000 for a multispectral scanner 5th band.
b Includes $4 000 000 for a multispectral scanner 5th band.
c Includes $2 000 000 for a multispectral scanner 5th band.
d Includes $4 000 000 for a thematic mapper for Landsat D and $2 500 000 for follow-on data analysis.