2010

6.6

2001

5.7

1923

5.2

7.0

1996

6.4

1991

5.3

1990

6.2

1975

6.0

1963

4.0

2001

6.6

1979

6.0

2021

5.9

2007

6.7

1998

6.6

1966

7.5

1997

4.0

1963

5.6

2017

5.8

2004

5.9

2009

6.0