2006

4.3

1969

6.6

1992

7.1

1967

6.5

2020

6.3

1968

6.6

1984

9.2

1979

5.8

2016

5.9

1968

7.3

2009

7.6

1993

7.5

1970

6.3

1995

6.2

2015

6.3

1994

7.1

1941

7.3

2018

6.6

2017

7.1

1989

7.8