1997

7.5

1988

0.0

1993

8.2

2023

8.0

2009

8.0

2001

5.6

2006

5.0

1969

8.3

2004

10.0

1988

5.7

1996

7.0

2009

7.8

2023

6.9

1985

6.3

1978

7.3

1991

6.8

1999

7.6

1972

0.0

1985

0.0

2015

7.5