2007

5.9

2019

8.1

2012

7.8

2007

7.8

2011

8.3

2013

7.2

2007

7.3

2012

7.3

1971

8.2

1982

8.1

2019

7.4

1997

7.9

2016

7.6

2017

8.1

1994

8.7

1990

7.5

2017

6.8

2019

7.8

2023

7.7

2014

8.5