1997

6.7

1994

8.3

1983

8.2

2001

7.8

2023

4.0

1986

6.2

1973

6.5

1996

5.9

1966

6.5

2017

0.0

2006

5.9

1989

6.8

1999

6.5

1984

6.6

1976

6.4

2007

6.7

1985

6.1

1946

6.5

2007

7.3

2002

6.2