2009

5.6

2003

6.6

1999

7.3

1999

7.4

2006

6.9

2022

8.6

1985

7.1

2010

7.8

2002

6.1

2004

5.9

1990

7.5

1983

5.5

2005

7.0

2008

7.0

2014

7.6

2014

6.3

2007

5.6

2004

6.5

1960

7.4

2013

6.1