2006

6.5

2005

4.3

1965

6.3

2018

0.0

2002

6.2

1986

6.7

2003

6.7

1968

6.6

1974

7.1

2007

0.0

2002

7.0

2008

6.4

1960

8.0

1990

7.1

2005

6.4

2001

7.5

1996

6.8

2015

4.7

2008

6.3

1994

6.4