1989 6.8

1989 5.5

1989 4.5

1989 7.5

1989 7.1

1989 6.1

1989 6.3

1989 5.5

1989 6.3

1989 6.6

1989 6.5

1989 4.8

1989 5.8

1989 6.4

1989 5.4

1988 6.1

1988 5.8

1988 7.5

1988 6.4

1988 7.6