YEAR  Output  Labor    Acres     Ferterizer
 1975  5809.0  27561.0  181593.0   550000
 1976  5891.1  27965.0  181115.0   597000
 1977  5974.3  28124.0  180600.0   679000
 1978  6095.3  28373.0  180881.0   884000
 1979  6442.3  28692.0  178894.0  1086000
 1980  6411.1  29181.0  175851.0  1269000
 1981  6500.4  29836.0  172437.0  1335000
 1982  7090.0  30917.0  170194.0  1513000
 1983  7745.5  31209.0  171071.0  1660000
 1984  8146.1  30927.0  169326.0  1740000
 1985  7582.1  31187.0  163268.0  1776000
 1986  7830.2  31311.0  166399.0  1931000
 1987  8059.5  31720.0  166902.0  1999000
 1988  7881.6  32308.0  165183.0  2141500
 1989  8151.0  33284.0  168307.0  2357400

Source: Li Zinai, Econometrics: Methods and Applications (in
Chinese), 1992, p.68.
Variables: Output=Foods Production in 100000000-Kg
           Labor=Argricultural Labor Force in 10000-Persons
           Acres=Land Acreages for Foods Production in 10000-Acres
           Ferterizer=Chemical Fertirizer Used in 10000-Kg