1958

6.6

2006

7.0

2008

3.3

2007

6.5

2005

6.0

2000

7.2

1992

6.2

1959

3.8

1975

5.2

1968

6.4

1932

5.8

2018

0.0

2001

5.0

2003

6.3

2010

5.3

1964

7.6

1915

5.0

2021

4.5

1984

5.8

2011

5.9