2013

6.4

1988

5.5

1993

6.5

2000

6.0

2008

6.4

2006

5.5

1955

7.2

1953

7.2

2006

7.8

2009

8.5

2017

7.3

1994

5.6

1997

6.6

1961

6.9

2022

8.1

2012

6.2

2017

6.9

2016

6.8

2004

6.0

2010

7.4