2003

7.8

2014

6.6

2018

4.0

2000

7.4

2018

0.0

1988

7.0

2008

6.3

1959

6.8

1988

6.6

1997

6.8

1921

4.8

1940

5.8

1956

6.0

2016

5.8

1958

3.0

2015

6.8

2019

6.6

1995

4.6

2006

7.3

1970

5.0