2019

6.8

1947

7.3

1993

5.5

2008

5.1

2017

6.9

1968

6.5

1972

7.1

1987

4.5

2009

7.4

2013

6.4

1998

6.4

2018

7.4

2016

6.7

1932

5.5

2015

5.9

1984

6.7

2016

5.9

2005

7.4

2014

7.6

2022

7.0