2015

8.1

2019

8.7

2003

5.8

1987

6.7

2011

7.2

2012

7.3

2010

9.1

2012

9.3

1959

5.4

2017

5.2

2022

3.9

2006

6.2

2017

6.6

2021

7.5

1983

7.0

1972

7.8

1976

5.2

2019

5.6

1919

7.0