1987 6.3

1987 5.1

1987 4.8

1987 6.3

1987 5.2

1987 5.1

1987 5.1

1987 6.9

1987 3.1

1987 6.2

1987 6.7

1987 7.8

1987 5.6

1987 6.3

1986 7.2

1986 6.9

1986 6.0

1986 7.3

1986 4.0

1986 7.8