2017

7.2

2010

7.9

1979

6.8

1959

5.5

2020

0.0

1973

4.8

1985

4.3

1975

6.4

1974

7.0

1983

4.8

2008

5.9

2006

4.8

1967

5.5

1971

8.1

1951

5.8

1982

8.3

1951

4.5

1959

5.9

1968

6.3