2013

5.3

2021

7.0

2019

6.5

2014

6.4

1971

6.9

2014

7.9

1998

8.3

0.0

2007

7.6

1959

0.0

2017

0.0

2021

6.5

2005

6.7

2014

5.3

2008

5.9

1986

5.6

2005

7.0

2011

5.5

2009

5.0

0.0