2014

5.7

2002

6.6

2004

7.2

1995

7.6

1996

8.0

1998

6.8

2003

6.3

1989

7.8

1960

8.2

2009

6.1

1957

8.5

1996

7.0

2011

6.5

2016

7.9

1983

8.2

2010

7.7

2007

7.1

2009

7.4

1996

6.9

1943

8.2