% Douglas N. Arnold, dna@math.psu.edu, 11/96
% for use with ginterp
x=1900:10:1990;
y=[75994575 91972266 105710620 122775046 ...
131669275 150697361 179323175 203235298 226540825 248709873];
;
xmin=1890;
xmax=2010;
ymin=50000000;
ymax=270000000;