1970

8.5

2016

5.2

2022

4.5

1985

5.9

2010

7.0

1963

5.6

2009

6.6

2017

7.4

2019

7.7

2021

5.3

2015

6.1

2003

6.9

2001

10.0

1962

8.0

2009

6.5

1958

6.2

1941

6.0

2004

5.7

2018

7.0

2013

3.3