1986 5.7

1986 6.5

1985 6.8

1985 6.5

1985 6.9

1985 6.7

1985 7.1

1985 7.5

1985 5.2

1985 4.8

1985 7.3

1985 6.7

1985 6.2

1985 6.1

1984 6.8

1984 7.2

1984 7.3

1983 7.2

1983 7.2

1983 6.2