Year
.
1969
---
800
1970
5 900
12 453
1971
20 700
21 343
1972
13 500
17 081
1973
23 100
19 674
1974
9 500
11 102 a
1975
9 600 b
5 000
1976
6 000 c
5 040
1977
6 670 d
7 382
1978
21 000 e
31 500
a Includes $1 000 000 for a multispectral scanner 5th band.
b Includes $4 000 000 for a multispectral scanner 5th band.
c Includes S2 000 000 for a multispectral scanner 5th band.
d Includes $4 000 000 for a thematic mapper.
e Includes $14 800 000 for a thematic mapper.