2011

7.2

2002

7.2

1970

6.0

1957

6.9

2019

7.5

2017

9.4

2012

6.5

2024

9.6

2008

7.3

2008

7.5

2012

5.1

2000

5.2

1992

6.2

2011

7.5

2011

7.4

2005

5.9

2009

6.6

1989

6.2

2010

7.1

2013

8.4