1983

1.5

1972

6.3

1975

7.1

1940

7.6

1976

6.6

2002

8.4

1995

7.7

1960

8.1

2003

7.4

2022

0.0

2008

6.8

2013

6.1

1985

6.6

1993

6.6

1998

6.1

1993

6.5

1988

6.9

1990

6.3

2002

6.2

1991

6.7