2020

6.3

1941

7.3

1968

6.6

2010

6.1

2005

5.5

1967

6.5

1989

7.8

2007

7.5

2001

6.2

1969

6.6

2007

6.7

1983

6.1

2007

6.7

2006

6.2

2009

5.3

2010

7.1

1971

7.0

2011

6.4

1985

6.4

1989

5.9