1987 5.9

1987 7.8

1987 7.0

1987 6.2

1987 6.1

1987 5.2

1986 5.9

1986 7.0

1986 6.7

1986 5.7

1986 5.7

1986 5.6

1986 6.1

1986 5.8

1986 5.4

1986 5.4

1986 6.0

1986 5.4

1986 8.4

1986 8.0