1923

6.0

2018

6.1

2007

7.5

2006

5.8

2001

7.3

2021

7.0

2007

6.2

1998

6.3

1999

6.9

2003

5.0

1992

6.6

2007

5.6

1965

6.8

2006

4.8

1983

6.2

1954

7.1

2006

5.2

2001

5.8

1933

7.7

2021

6.9