1987 5.5

1987 5.4

1987 7.7

1987 7.1

1987 6.1

1987 8.2

1987 7.7

1987 6.3

1986 7.1

1986 7.1

1986 6.9

1986 6.5

1986 5.6

1986 6.8

1986 7.4

1986 7.6

1986 6.6

1986 7.4

1986 6.3

1986 6.7