1982

0.0

2006

7.2

1957

8.3

1959

7.3

2007

6.3

2007

7.4

2003

6.6

2018

6.1

1980

7.2

1990

6.9

1987

7.5

1995

7.3

1999

5.3

2013

6.0

1998

6.3

1991

6.3

1979

4.8

1966

6.1

1925

7.6

2002

6.1