1987 5.6

1987 6.9

1987 5.1

1987 5.1

1987 5.4

1987 4.1

1987 7.0

1987 6.6

1987 6.2

1986 5.9

1986 5.4

1986 7.3

1986 6.6

1986 7.8

1986 6.9

1986 4.8

1986 5.6

1986 5.3

1986 6.7

1986 5.6