1990

7.7

2002

7.2

1959

8.0

1920

7.9

1971

7.5

2012

5.0

1992

6.9

2015

2.6

1939

7.6

1984

7.9

1997

8.3

2016

0.0

2002

6.2

1999

6.4

1981

3.3

1920

6.7

1973

5.7

2020

3.4

2012

3.2

1996

5.0