2021

6.8

2019

4.6

2007

5.3

1959

7.9

1977

7.7

2004

8.0

2000

7.6

1983

8.2

2005

7.4

1939

7.0

1998

6.8

1961

7.7

1976

7.8

1979

7.3

1982

6.9

1985

7.1

1990

5.8

2006

8.2

1979

0.0

1980

6.0