2001

4.4

1976

4.8

1954

6.2

2018

5.6

2007

6.1

1984

2.0

2019

7.1

1970

5.5

2005

6.3

1987

6.3

2008

6.0

2002

7.1

2006

7.8

1975

5.8

2014

3.1

2014

6.9

1928

0.0

1995

7.6

2019

7.3

1977

7.3