1950

4.6

1951

5.3

1952

5.2

1954

4.2

1924

8.1

2013

6.5

1932

2.0

1993

0.0

2000

3.0

1933

0.0

1979

7.2

1990

5.5

2007

5.9

1981

5.9

1996

6.6

1963

5.0

1962

6.9

2016

6.7

1964

6.0

1997

8.3