1955

7.5

2015

5.7

1984

0.0

1980

5.0

1979

7.1

1972

7.4

1987

7.3

1994

7.3

1993

7.0

1992

7.4

1940

7.0

2018

7.4

1989

7.5

1967

4.8

1982

7.6

2014

6.5

2002

7.7

1997

6.6

1965

6.8

1970

8.0