1962

7.5

1961

6.8

2006

5.0

2017

7.3

1996

6.2

2008

7.2

1999

6.9

1993

7.0

1997

7.6

1935

5.0

2004

6.7

2020

0.0

1986

5.9

2017

7.1

2000

6.1

1948

6.7

1987

8.6

1949

7.8

2019

0.0

2017

5.8