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Monthly
Annual
Download Data (XLS File)
Midwest (PADD 2) Isobutane-Isobutylene Ending Stocks (Thousand Barrels)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1981
2,570
2,479
2,264
2,397
2,217
2,237
2,248
1,980
2,125
1,678
1,586
1,637
1982
1,984
2,085
2,216
2,109
1,711
1,532
1,431
1,645
1,591
2,076
2,234
2,140
1983
2,419
2,054
2,017
2,266
2,370
2,493
2,917
2,621
2,816
2,518
2,266
1,961
1984
2,244
2,429
2,440
2,399
2,330
2,276
2,052
1,993
2,138
2,114
2,093
2,139
1985
2,213
2,097
1,589
1,659
1,706
1,578
1,469
1,435
1,357
1,491
1,837
1,936
1986
1,902
1,787
1,610
1,975
1,864
1,966
1,882
1,790
2,001
2,039
2,326
2,040
1987
1,839
1,680
1,645
1,390
1,548
1,704
1,923
1,928
2,113
2,308
2,479
2,637
1988
2,399
2,135
2,070
2,456
2,164
2,066
2,475
2,398
2,496
2,450
2,511
2,270
1989
2,135
1,864
1,911
1,841
2,134
2,285
2,393
2,601
2,637
2,615
2,836
2,403
1990
2,383
2,089
2,094
2,211
2,677
2,838
2,954
2,784
3,150
2,608
2,746
2,479
1991
2,367
2,290
2,653
2,264
2,101
2,238
2,348
2,320
2,609
2,657
2,576
2,512
1992
2,466
2,624
2,680
2,796
2,666
2,633
2,513
2,320
2,746
2,917
2,905
2,795
1993
2,496
2,553
2,855
3,226
3,070
3,037
3,223
3,332
3,553
3,166
2,647
2,476
1994
2,583
2,803
3,098
2,771
2,391
2,247
2,726
3,401
3,384
2,694
1,911
1,907
1995
1,767
1,792
2,056
2,145
2,232
2,457
2,374
2,918
3,154
3,035
2,188
2,169
1996
1,774
1,629
1,678
1,804
2,085
2,044
2,347
2,542
2,386
2,181
2,147
2,005
1997
1,784
1,513
1,431
1,814
2,230
2,449
2,373
2,352
2,437
2,085
2,013
1,993
1998
1,686
2,157
2,127
2,218
2,048
2,229
2,201
2,707
2,871
2,076
1,828
1,736
1999
1,678
1,527
1,387
1,444
1,679
1,748
1,922
1,934
1,822
1,737
1,817
1,615
2000
1,590
1,433
1,598
1,667
1,615
1,681
1,852
2,114
2,047
1,919
1,774
1,779
2001
1,541
1,357
1,422
1,583
1,655
1,739
1,965
1,983
1,985
1,697
1,458
1,438
2002
1,521
1,566
1,446
1,553
1,846
1,840
1,835
2,094
2,093
1,907
1,698
1,611
2003
1,858
1,743
1,787
1,538
1,423
1,811
1,946
1,971
2,099
2,063
2,060
1,658
2004
1,558
1,467
1,952
1,945
1,922
1,990
2,092
2,237
2,667
1,691
1,765
1,752
2005
1,642
1,705
1,874
1,756
1,848
1,895
2,040
2,145
1,925
1,861
1,687
1,838
2006
1,757
1,740
1,861
2,080
2,094
2,246
2,346
2,472
2,500
2,525
2,482
2,287
2007
1,999
2,134
2,275
2,322
2,537
2,765
3,030
2,955
3,106
3,018
2,631
2,268
2008
2,097
1,831
2,003
2,005
1,988
2,145
2,420
2,513
2,372
2,278
-
= No Data Reported;
--
= Not Applicable;
NA
= Not Available;
W
= Withheld to avoid disclosure of individual company data.
Release Date: 12/29/2008
Next Release Date: Last Week of January 2009
Referring Pages:
Isobutane/Butylene Total Stocks Stocks by Type
Isobutane/Isobutylene Supply and Disposition
Midwest (PADD 2) Isobutane/Butylene Stocks by Type