2010

7.6

2010

7.4

1999

7.1

2014

7.1

2008

7.6

2023

9.6

2007

7.5

2001

6.3

2013

6.8

2009

7.6

2009

7.5

1997

7.7

2000

6.5

2011

6.7

2002

7.2

2018

7.0

2001

7.2

1997

7.5

1976

8.0

1966

7.6