1982

5.8

1988

2.7

2007

7.2

1967

6.8

2015

7.5

1969

4.0

1929

0.0

1907

4.0

1969

3.9

1920

7.0

1994

3.2

1970

5.5

1981

6.5

1928

7.1

1928

7.9

1928

7.3

1921

6.6

1996

5.7

1989

4.8

1991

6.4