1993 4.2

1992 5.5

1992 7.7

1992 7.4

1992 6.7

1992 5.4

1992 5.4

1992 4.9

1992 7.3

1992 6.4

1992 6.6

1992 7.1

1992 7.0

1992 7.1

1992 5.7

1992 8.0

1992 6.3

1991 6.8

1991 4.2

1991 6.0