1957

8.2

1999

7.4

1980

8.2

1992

7.3

2013

5.2

2004

7.5

1931

7.2

2001

7.8

2018

0.0

1935

7.5

2003

7.8

1982

7.2

2021

4.6

1960

8.4

2019

6.4

2003

0.0

2018

6.9

1996

6.8

1988

5.2

1968

7.6