1950

8.1

1955

7.3

2020

7.8

2007

5.9

1992

7.7

1990

6.9

1948

7.0

2020

2.7

1951

5.2

1978

0.0

2017

10.0

1995

6.3

2015

5.8

2015

4.5

1957

7.2

1968

5.7

1960

4.7

1919

6.9

1975

7.5

1999

7.3