1958

7.6

1984

8.0

1998

7.4

1957

8.5

1966

7.7

1993

10.0

1980

0.0

1932

0.0

1940

5.2

1989

7.2

1996

6.8

2017

0.0

2017

7.7

2018

8.0

2006

6.9

2015

0.0

1982

0.0

1992

7.3

2001

6.7

2020

10.0