2020

6.5

1972

7.2

2018

7.1

1997

7.0

1998

5.0

1956

7.5

1976

6.8

1935

7.3

2000

7.9

1984

7.3

2016

7.3

1982

5.8

1995

7.8

2009

5.4

1988

5.9

1978

8.0

2018

6.6

1976

7.7

1985

7.3