Year ChickPrice BeefPrice BeefConsump CPI DPI RealChickenPrice RealBeefPrice RealDPI (RDPI-Mean)^sq 1965 37.24500733 59.5 99.5 31.5 2505 118.2381185 188.8888889 7952.380952 63240362.81 1966 39.44150776 62.2 104.1 32.4 2675 121.7330486 191.9753086 8256.17284 68164389.96 1967 36.38550716 60.7 106.5 33.4 2828 108.9386442 181.7365269 8467.065868 71691204.42 1968 38.00900748 63.5 109.7 34.8 3037 109.2212859 182.4712644 8727.011494 76160729.62 1969 40.30100793 70.4 110.8 36.7 3239 109.8120107 191.8256131 8825.613079 77891446.22 1970 38.96400767 72.5 113.5 38.8 3489 100.4227002 186.8556701 8992.268041 80860884.53 1971 40.51103838 75 112.7 40.5 3740 100.0272553 185.1851852 9234.567901 85277244.32 1972 41.86140633 82.1 115.5 41.8 4000 100.1469051 196.4114833 9569.37799 91572995.12 1973 54.98698276 102.8 108.8 44.4 4481 123.8445558 231.5315315 10092.34234 101855374 1974 53.20449707 102.1 115.7 49.3 4855 107.9198724 207.0993915 9847.870183 96980547.13 1975 59.36217491 102.8 118.8 53.8 5291 110.3386151 191.0780669 9834.572491 96718816.07 1976 59.7 96.9 127.5 56.9 5744 104.9209139 170.2987698 10094.90334 101907073.4 1977 60.1 92 124 60.6 6262 99.17491749 151.8151815 10333.33333 106777777.8 1978 66.5 124.01887 117.9 65.2 6968 101.993865 190.2129908 10687.11656 114214460.5 1979 68 154.0014539 105.5 72.6 7682 93.66391185 212.1232148 10581.26722 111963215.9 1980 72 162.1785223 103.4 82.4 8421 87.37864078 196.818595 10219.66019 104441454.5 1981 73.7 162.8599447 104.3 90.9 9243 81.07810781 179.1638555 10168.31683 103394667.2 1982 71.6 165.5856341 103.7 96.5 9724 74.19689119 171.5913307 10076.68394 101539559.2 1983 72.8 162.1785223 105.7 99.6 10340 73.09236948 162.8298417 10381.5261 107776084.3 1984 81.4 163.541367 105.5 103.9 11257 78.34456208 157.4026632 10834.45621 117385441.3 1985 76 158.7714105 106.5 107.6 11861 70.63197026 147.5570729 11023.2342 121511692.2 1986 84 157.4085658 107.3 109.6 12469 76.64233577 143.6209542 11376.82482 129432142.9 1987 78 164.9042117 103.3 113.6 13094 68.66197183 145.1621582 11526.40845 132858091.8 1988 85.37 250.3416667 102.7985812 118.3 14477 72.16398986 211.6159482 12237.5317 149757182.1 1989 92.7 265.6583333 97.66680451 124 15307 74.75806452 214.2405914 12344.35484 152383096.4 1990 89.92 281.0166667 95.79480182 130.7 16205 68.79877582 215.0089263 12398.6228 153725847.3 1991 88.03 288.325 94.85575823 136.2 16766 64.6328928 211.6923642 12309.83847 151532123.2 1992 86.92 284.6083333 94.14388814 140.3 17636 61.95295795 202.8569732 12570.2067 158010096.5 1993 89.02 293.4416667 92.00207489 144.5 18153 61.60553633 203.0738178 12562.62976 157819666.4 1994 90.09 282.875 95.16542917 148.2 19003 60.78947368 190.8738192 12822.53711 164417458 1995 91.67 284.3333333 95.54054105 152.4 20604 60.15091864 186.5704287 13519.68504 182781883.6 1996 97.27 280.2333333 95.69209432 156.9 21375 61.99490121 178.606331 13623.32696 185595037.5 1997 100.19 279.5333333 93.61479158 160.5 22312 62.42367601 174.1640706 13901.55763 193253304.6 1998 104.37 277.1166667 95.00751498 163 23016 64.03067485 170.0102249 14120.2454 199381330.1 1999 105.59 287.7607738 96.1614064 166.6 23693 63.37935174 172.7255545 14221.4886 202250737.9 2000 107.12 306.4 96.46501484 172.2 24908 62.20673635 177.9326365 14464.57607 209223961