1926

0.0

1963

6.3

1973

4.8

1988

6.1

1995

6.2

1989

0.0

1929

6.4

1989

6.0

1964

0.0

2013

7.3

1954

0.0

2021

7.4

1957

7.0

2013

7.0

2003

6.8

1960

8.2

1974

1.0

1950

5.7

1969

6.0

2003

6.0