2006

5.5

1955

7.3

2018

5.6

1983

6.3

2009

5.9

1974

7.5

2006

6.5

1986

7.0

1990

6.4

2002

6.2

1994

7.0

2001

6.8

2000

7.1

1988

6.3

2006

5.5

2007

5.3

1998

7.1

2016

7.6

2002

6.7

2007

6.3