2007

9.8

6.8

1982

7.6

2014

5.6

2023

6.5

2015

7.4

2020

6.0

1973

6.4

2017

7.4

2013

8.4

2011

7.4

2012

8.4

2012

9.1

1957

6.9

2001

7.3

2004

6.0

2002

8.4

2018

6.0

2003

7.5

1991

4.4