1973

0.0

2005

7.7

1954

8.5

2003

6.9

1975

4.2

1991

0.0

1987

4.9

1983

3.9

2016

0.5

1986

6.9

1991

4.7

1994

4.8

2005

5.6

2000

5.5

1996

6.2

1973

7.4

1972

7.4

2004

7.5

1994

7.5

2008

7.3