1993

5.5

5.6

2003

5.7

1984

6.5

2006

7.0

2007

5.2

2007

5.7

2010

6.7

2003

5.8

2002

5.5

2009

8.5

1996

6.9

1967

6.6

2014

5.9

1971

6.4

1963

7.0

2021

6.2

1995

6.9

2014

6.0

2014

4.5