View History:    Monthly     Annual   
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Refining District Texas Inland Field Production of Isobutane (Thousand Barrels)
Refining District Texas Inland Field Production of Isobutane (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1993 955 899 1,000 994 1,008 1,007 1,062 1,010 986 1,048 951 949
  1994 971 866 1,000 969 980 977 1,016 1,028 967 980 962 995
  1995 971 890 982 964 982 955 1,017 1,020 1,005 1,020 993 986
  1996 952 890 985 980 995 965 988 1,020 962 1,042 955 965
  1997 920 878 947 930 977 907 966 978 939 974 928 983
  1998 1,019 920 1,010 1,016 1,006 950 940 1,007 964 1,001 907 899
  1999 936 864 948 942 955 968 990 960 956 978 947 950
  2000 949 911 1,009 982 977 984 1,014 1,037 982 1,003 936 817
  2001 789 888 1,043 962 1,048 1,042 1,051 1,107 1,069 1,137 1,048 1,073
  2002 1,135 991 1,096 1,038 1,116 1,086 1,118 1,142 1,110 1,125 1,099 1,044
  2003 1,046 1,001 1,110 1,069 1,060 1,052 1,151 1,149 1,131 1,157 1,134 1,135
  2004 1,152 1,110 1,192 1,125 1,132 1,114 1,176 1,180 1,158 1,179 1,130 1,137
  2005 1,153 1,070 1,192 1,176 1,182 1,149 1,215 1,182 985 1,173 1,148 1,103
  2006 1,070 983 1,100 1,073 1,111 1,104 1,111 1,111 1,126 1,141 1,090 1,108
  2007 1,040 978 1,125 1,060 1,129 1,125 1,173 1,183 1,177 1,198 1,158 1,166
  2008 1,141 1,113 1,187 1,182 1,218 1,180 1,210 1,205 977 1,187 1,174 1,171
  2009 1,195 1,062 1,210 1,176 1,244 1,199 1,215 1,217 1,183 1,223 1,186 1,185
  2010 1,214 1,136 1,300 1,222 1,311 1,241 1,313 1,310 1,302 1,371 1,301 1,330
  2011 1,335 1,118 1,399 1,334 1,430 1,367 1,476 1,487 1,440 1,521 1,519 1,489
  2012 1,561 1,468 1,552 1,557 1,711 1,688 1,798 1,833 1,865 1,936 1,917 1,892
  2013 1,945 1,865 2,040 2,021 2,129 2,113 2,281 2,295 2,242 2,313 2,160 2,187
  2014 2,182 1,985 2,251 2,321 2,365 2,426 2,515 2,544 2,569 2,582 2,488 2,626
  2015 2,472 2,445 2,791 2,794 2,826 2,790 2,915 2,875 2,846 2,870 2,682 2,641
  2016 2,594 2,488 2,656 2,568 2,657 2,630 2,681 2,700 2,603 2,664 2,504 2,509
  2017 2,602 2,408 2,765 2,695 2,834 2,845 2,959 2,882 2,811 2,955 2,888 2,913
  2018 2,835 2,628 3,061 3,031 3,244 3,312 3,488 3,542 3,326 3,424 3,288 3,543
  2019 3,409 3,294 3,660 3,594 3,791 3,668 3,880 3,993 3,986 4,031 3,889 4,108
  2020 4,674 4,196 4,602 4,372 4,160 4,331 4,542 4,588 4,377 4,543 4,381 4,338
  2021 4,132 2,890 4,160 4,221 4,348 4,217 4,410 4,379 4,346 4,600 4,329 4,546
  2022 3,840 3,461 4,059 4,087 4,221 4,032 4,321 4,361 4,248 4,402 4,143 4,159
  2023 4,249 3,780 4,348 4,280 4,415 4,299 4,574 4,661 4,852 4,834 4,578 4,702
  2024 4,400 4,357 4,743 4,640 4,977 4,862 5,062 5,141 4,986 5,236 4,957 5,074
  2025 4,852 4,516 5,088 4,955 5,218 5,186 5,392 5,509 5,385 5,442 5,350 5,568
  2026 5,252 5,065 5,599

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 5/29/2026
Next Release Date: 6/30/2026

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