|
1981 |
1982 |
1983 |
1984 |
1985 |
1986 |
1987 |
1988 |
1989 |
1990 |
|
1.5 |
1.8 |
1.9 |
2.2 |
2.6 |
3.7 |
2.2 |
6.4 |
3.6 |
5.4 |
Calculate the three-yearly moving averages and draw the moving averages graph.
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