2017

7.2

2004

6.4

2014

4.4

1958

4.8

1982

7.7

1975

5.8

2003

6.6

1971

6.9

1931

6.9

1999

6.7

2000

7.8

2009

6.5

2008

5.5

1974

0.0

1979

5.7

2001

5.5

2015

7.5

1994

5.6

1999

6.4

2014

7.2