2016

9.7

2008

5.9

1975

4.5

2020

6.0

1964

6.1

2009

4.8

2017

5.3

2016

6.7

2021

6.9

1939

6.1

2009

5.7

1941

5.0

2007

6.9

2019

10.0

2010

7.9

1983

6.0

2004

8.0

2014

6.8

2009

5.6