2016

6.4

2003

6.5

2006

3.0

1994

8.3

1954

8.4

2005

6.3

2007

5.3

2006

5.6

2006

6.5

1993

7.3

1955

7.1

2004

4.9

1986

6.3

2002

6.4

1989

7.2

1992

6.9

1997

7.4

2017

6.4

2008

6.9

1967

7.8