2017

6.7

1942

5.2

1945

7.4

2001

7.2

2006

5.8

2006

7.5

1990

7.2

2005

6.4

1987

7.1

1997

7.5

1992

3.3

2013

4.3

1937

6.6

1980

6.2

2003

7.2

1999

5.8

1924

6.8

2013

6.0

2017

6.6

1994

6.2