2005

6.5

1996

8.0

1976

4.5

1954

6.3

2017

7.0

2014

3.0

1995

7.6

2002

5.1

2014

7.0

2010

5.4

2005

7.5

1987

6.1

1977

7.3

2006

5.1

2015

5.1

2009

6.1

1987

7.7

2001

4.5

1986

6.8

1975

2.8