2018

7.3

2003

6.8

2019

8.1

2020

7.2

1999

8.4

1972

8.7

2019

8.5

2016

7.0

1994

8.7

2015

7.5

2006

7.8

2010

8.4

2014

7.9

1985

8.3

1971

8.2

2012

7.0

2014

8.0

1985

7.7

2022

7.6

1958

8.2