2010

3.6

2000

7.2

1989

7.3

1987

7.5

1952

7.7

1988

6.0

1965

8.0

1987

6.8

2020

6.5

2019

6.9

1941

7.3

2022

4.5

1990

6.1

1970

6.3

2010

5.8

1945

7.6

2007

4.7

1973

7.3

1986

7.7

2008

5.9