2005

7.0

1998

6.9

1996

6.6

1947

6.4

1972

7.1

1995

6.6

2004

7.3

1997

7.2

1961

6.3

1957

8.1

1984

7.5

2002

4.4

1973

5.1

2014

6.0

2023

4.5

1971

0.0

2016

6.2

2002

6.4

1986

0.0

1940

7.2