1931

7.2

1996

6.8

1929

7.5

1932

7.4

1998

7.4

2003

5.9

1961

7.2

2005

6.9

1978

7.4

1932

0.0

2004

6.8

2020

5.7

2017

8.0

1960

5.4

1935

7.2

1940

7.4

2013

6.5

2018

6.3

1988

7.3

2016

5.5