1966

5.2

2003

5.9

1957

7.1

2009

5.5

2008

6.1

2005

8.5

1989

5.1

2010

6.1

2007

5.9

1993

5.6

2013

4.8

1994

6.0

2022

7.6

2005

5.3

2010

6.3

2014

6.2

1985

8.1

1992

6.3

1982

6.3

1987

6.1