（急）全球历年原油生产量和需求量的变化

界历年石油产量.供应量和需求量统计(1970--1999)1999年12月31日采集年份 石油产量(亿吨/年) 石油供应量(亿吨/年) 石油需求量(亿吨/年)1970 22.943 24.493 23.4041971 24.259 25.883 24.7081972 25.569 27.287 26.5471973 27.8395 29.65 26.61851974 27.859 29.6955 28.33851975 26.414 28.2555 28.0991976 28.672 30.5605 29.83651977 29.8535 31.8325 30.9131978 30.079 32.1125 32.0791979 31.337 33.4865 32.611980 29.8 32.076 31.53351981 28.038 30.3805 30.45151982 26.7405 29.1125 29.75151983 26.628 29.027 29.36951984 27.2445 29.822 29.91551985 26.991 29.631 30.04551986 28.1135 30.8805 30.87951987 28.333 31.2135 31.49951988 29.3685 32.3535 32.40951989 29.9315 32.946 32.95851990 30.283 33.377 32.98851991 30.1035 33.316 33.28351992 30.1065 33.4805 33.3811993 30.118 33.674 33.4981994 30.4955 34.114 34.14151995 30.1675 34.9185 34.9331996 31.8555 35.695 35.7021997 32.845 36.825 36.5491998 33.48 37.5755 36.80451999 32.839 36.977 37.3995