1998

6.9

2014

5.2

1964

4.2

1943

6.1

2011

3.8

2009

2.0

2014

6.5

2013

6.7

2004

4.6

2016

8.0

1955

4.9

2013

5.7

2006

5.0

1982

6.0

1912

5.0

2017

8.0

2016

8.0

2009

8.0

1994

5.0

1979

0.0