1980

7.7

2005

7.5

2000

7.0

1978

0.0

2001

6.5

2006

6.5

2023

6.0

1952

7.6

1963

6.2

1995

7.3

1984

5.0

1944

6.7

1976

2.0

2006

6.3

1978

6.3

1973

4.0

2009

5.8

1995

6.3

2017

6.2

2010

6.8