2007

6.3

1988

7.4

1995

6.8

2009

6.2

2001

6.9

1999

7.7

1971

7.6

2021

7.0

2002

7.6

2005

6.2

1931

7.2

1994

6.6

1936

6.0

1996

6.8

1954

4.8

2008

6.7

1986

4.5

1998

7.0

1921

8.2

2006

5.5