1993 3.9

1993 7.3

1993 6.0

1993 6.5

1992 7.6

1992 7.3

1992 6.3

1992 6.4

1992 7.1

1992 7.5

1992 5.8

1992 6.8

1992 6.2

1992 5.6

1992 6.1

1991 6.9

1991 6.5

1991 5.7

1991 3.9

1991 5.8