2002

5.5

2012

6.3

1966

6.3

1986

7.1

1962

7.6

2010

7.4

1964

7.3

1968

6.4

2003

6.2

1968

6.9

2006

6.5

2002

7.4

2008

7.5

1991

6.2

1991

6.8

1992

6.7

1994

6.2

2010

6.6

2013

6.1

2004

7.1