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Illinois Field Production of Crude Oil (Thousand Barrels)
Illinois Field Production of Crude Oil (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 857 784 809 878 935 958 1,049 973 902 996 1,024 937
  2003 977 857 1,071 1,015 1,009 966 1,014 970 935 995 901 989
  2004 857 835 970 915 925 913 924 937 918 915 930 945
  2005 801 755 901 839 845 855 835 861 824 826 803 835
  2006 883 783 886 863 892 870 866 889 838 858 842 855
  2007 803 659 874 786 838 790 834 831 816 824 785 768
  2008 812 681 806 798 787 778 833 801 797 820 744 773
  2009 695 702 840 757 761 753 772 761 769 783 735 769
  2010 684 670 816 801 756 774 778 763 766 777 733 749
  2011 751 679 762 713 728 726 764 820 801 837 834 824
  2012 816 791 834 816 835 822

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 8/30/2012
Next Release Date: Last Week of September 2012

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