2012

9.7

1990

6.1

2020

7.2

2022

6.4

2006

6.6

2003

5.2

1993

5.2

1972

7.1

2008

6.8

1988

7.6

2009

8.8

2016

6.8

2015

6.0

1940

5.1

2007

7.0

1995

7.1

2008

7.4

1975

7.0

2013

6.0

2017

6.3