|
| Year | = | calendar year |
| deaths | = | total deaths in U.S. in year i (in thousands) |
| teachers | = | # of secondary school teachers in U.S. in year i (in thousands) |
| pop | = | U.S. population in year i(in millions) |
Source:
deaths - Vital Statistics of the United States, 1990 vol. II, Mortality, part A, Table 1-1. Statistical Abstract of the United States, 2000, Table #119, p. 86.
teachers - Digest of Educational Statistics (1991, 1994, 2000), Table 59 (1991), Table 64 (1994), and Table 65 (2000).
pop - Economic Report of the President (1994, 2000), Tables B-28 and B-127 (1994) and Table B-34 (2000).