1990

7.7

1971

7.5

2005

7.1

1983

8.0

2014

6.1

1953

6.5

1991

3.0

2001

7.8

2004

7.3

1982

5.8

1946

6.3

1953

6.3

1997

4.8

1982

6.7

1953

7.0

2007

5.0

2023

6.1

1991

6.8

2013

5.0

2013

5.5