2003

8.1

2019

7.3

2018

7.0

2005

8.5

2001

7.6

2002

8.0

2014

7.6

2018

7.4

1983

7.0

2019

6.9

2012

8.4

2022

7.8

2015

8.3

2017

7.9

2021

7.4

2003

5.8

1974

4.0

2018

7.8

2002

7.9

2018

7.0