71.   Hogwood said her estimate was based in part on rental markets from the Olympics in Lillehammer, Norway, and Nagano, Japan.

72.   Mark Dickinson of the Space Telescope Science Institute in Baltimore, Maryland noted that the distance estimates are based on the reddish light from the galaxies.

73.   NA represents figures not available or considered too fragmentary to base an estimate on.

74.   Nano said his estimates were based on the reports of Socialist members of local electoral commissions.

75.   Previous estimates were based almost solely on official statistics.

76.   Poudel said the casualty estimate was based on traces of blood found at the scene of the fighting and marks of bodies being dragged away.

77.   The academics base their estimates on projections from the British colonial census.

78.   The aid workers base their estimates on the number of school lunches handed out, cross-checks of aid recipient lists and various statistical methods.

79.   The department said its estimate was based on a survey by the American Seed Trade Association of its member companies.

80.   The estimate is based on statements made to the newspaper by players, former players, agents and basketball executives in more than two dozen interviews.