1940

0.0

2007

5.5

2021

6.6

1972

6.9

1983

1.0

2011

5.5

1976

5.6

1988

4.2

1961

6.1

2003

6.5

1934

6.0

2003

7.1

1988

5.0

1975

5.9

1983

7.1

1990

5.0

2009

7.0

1996

6.0

1995

7.2

2017

7.1