1987 6.3

1987 6.8

1987 6.2

1987 7.3

1987 6.4

1987 6.4

1987 5.5

1987 5.4

1987 6.9

1987 7.1

1987 6.1

1987 6.7

1987 7.8

1987 6.1

1986 5.7

1986 8.4

1986 5.5

1986 5.6

1986 5.7

1986 5.2