Since then, the ratio has declined slightly to 18 percent.
The ratio of abortions to live births, as calculated by the centers, has been declining slowly since 1980.
However, the ratio of workers to retirees has declined steadily for decades, and social insurance systems have remained sustainable due to rising worker productivity.
The ratio of April inventory to sales declined 0.7 percent after a 5.3 percent fall in the previous month.
The ratio declines for lower-level executives, down to one and a half times salary for store managers.
From 1971 to 2011 the overall ratio for French language continuity outside of Quebec declined from 0.73 to 0.45.
At the same time, the ratio of blacks signing up has declined to 16 percent from nearly 23 percent.
Due to improved health care the ratio has been declining steadily in developed countries.
Their ratio in society therefore did not decline as the population grew.
Should Ahmanson shares rise above $45.45, the ratio will decline to 1.1 of its shares.