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Note: These data are available in spreadsheet format by clicking the ''Download Series History'' link on the previous page (with drop-down menu bar at top).
 View History:    Monthly     Annual   
Illinois Crude Oil Production (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 2,000 1,775 1,960 2,040 2,095 1,930 2,030 2,090 1,980 2,050 2,025 2,115
  1982 1,857 1,684 2,362 2,258 2,221 2,370 2,477 2,528 2,512 2,554 2,471 2,416
  1983 2,582 2,319 2,560 2,352 2,436 2,460 2,467 2,541 2,459 2,449 2,462 2,113
  1984 2,311 2,032 2,382 2,326 2,399 2,352 2,470 2,534 2,408 2,623 2,476 2,555
  1985 2,279 2,062 2,537 2,600 2,591 2,450 2,706 2,652 2,551 2,726 2,571 2,540
  1986 2,664 2,650 2,502 2,376 2,267 2,201 2,241 2,017 2,158 2,158 1,901 2,110
  1987 2,000 1,898 2,080 1,985 1,982 1,995 2,050 2,007 1,983 2,000 1,900 2,100
  1988 1,839 1,821 2,000 1,876 1,931 1,971 1,844 1,970 1,860 1,790 1,779 1,795
  1989 1,861 1,505 1,752 1,638 1,768 1,706 1,749 1,782 1,699 1,757 1,708 1,453
  1990 1,849 1,578 1,737 1,595 1,628 1,569 1,761 1,760 1,623 1,711 1,682 1,461
  1991 1,549 1,430 1,662 1,378 1,701 1,547 1,751 1,688 1,589 1,678 1,512 1,583
  1992 1,604 1,527 1,618 1,600 1,592 1,619 1,652 1,618 1,609 1,600 1,610 1,655
  1993 1,486 1,279 1,551 1,482 1,447 1,420 1,450 1,525 1,505 1,400 1,460 1,400
  1994 1,262 1,357 1,610 1,479 1,495 1,445 1,419 1,469 1,412 1,387 1,379 1,435
  1995 1,389 1,226 1,454 1,337 1,369 1,336 1,353 1,408 1,348 1,357 1,332 1,281
  1996 1,225 1,110 1,375 1,260 1,310 1,295 1,310 1,400 1,390 1,360 1,290 1,250
  1997 1,240 1,210 1,385 1,295 1,330 1,315 1,405 1,420 1,420 1,390 1,375 1,330
  1998 1,295 1,130 1,165 1,155 1,162 1,117 1,135 1,127 1,120 1,113 1,110 1,103
  1999 995 1,035 1,027 1,055 1,005 1,005 997 1,008 1,004 938 1,031 965
  2000 997 1,027 1,025 1,030 1,035 1,040 1,039 1,015 991 1,008 987 1,012
  2001 838 784 876 844 914 820 843 877 778 872 822 824
  2002 935 856 883 958 1,020 1,046 1,144 1,063 982 1,084 1,023 1,057
  2003 1,006 880 1,035 989 986 958 1,010 977 944 992 911 1,009
  2004 857 835 970 915 925 913 924 937 918 915 930 945
  2005 819 772 922 858 864 875 854 881 843 844 821 854
  2006 887 786 888 860 893 871 868 892 837 857 837 849
  2007 802 658 871 786 837 789 832 828 792 823 783 766

Updated on 5/8/2008
Source: U.S. Energy Information Administration
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