4% Est. 1997 20.775241 0.048134 4% Est. 2000 3.270994 0.305717 4% Est. 2006 3.889631 0.257094 4% Est. 2006 1.315932 0.759918 4% Est. 1997 12.143577 0.082348 4% Est. 1996 7.055633 0.141731 4% Est. 1989 0.600574 1.665074 3.8744% 1988 0.601300 1.663063 3.3218% 1987 7.986474 0.125212 3.1640% 1986 15.172510 0.065909 2.6144% 1985 14.986345 0.066727 2.9715% 1984 14.957547 0.066856 3.6576% 1983 14.633594 0.068336 3.8998% 1982 0.536163 1.865105 6.3831% 1981
constraining