In: Economics
Year |
n |
y |
x |
1971 |
1 |
40 |
6 |
1972 |
2 |
44 |
10 |
1973 |
3 |
46 |
12 |
1974 |
4 |
48 |
14 |
1975 |
5 |
52 |
16 |
1976 |
6 |
58 |
18 |
1977 |
7 |
60 |
22 |
1978 |
8 |
68 |
24 |
1979 |
9 |
74 |
26 |
1980 |
10 |
80 |
32 |