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Monthly
Annual
Download Data (XLS File)
Rocky Mountain (PADD 4) Isobutane-Isobutylene Refinery and Blender Net Inputs (Thousand Barrels per Day)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1981
2
3
3
3
2
2
2
2
3
2
3
2
1982
2
3
2
2
1
1
2
2
2
2
2
2
1983
2
1
2
2
2
2
2
1
2
1
2
1
1984
1
2
2
1
3
3
2
3
2
2
2
2
1985
2
2
2
2
3
2
2
2
3
2
2
2
1986
2
1
2
3
4
3
3
8
3
3
2
3
1987
3
2
2
2
1
3
2
3
3
2
3
3
1988
3
4
3
3
3
4
4
4
3
3
3
3
1989
3
2
2
2
2
4
4
3
4
3
4
2
1990
2
3
3
3
3
4
4
3
4
3
3
4
1991
3
4
4
3
4
4
5
4
4
4
3
3
1992
2
3
3
4
3
3
4
4
3
4
3
3
1993
4
3
4
2
2
4
4
4
3
5
4
4
1994
4
5
4
4
4
4
4
3
4
4
3
4
1995
3
3
3
3
4
4
4
4
5
3
4
4
1996
4
3
5
4
3
4
5
5
5
4
3
3
1997
3
4
3
5
4
5
4
5
5
4
4
4
1998
2
3
4
2
3
3
3
3
3
3
3
4
1999
4
4
4
5
5
6
5
6
5
5
4
4
2000
4
4
4
4
5
5
6
6
6
7
5
4
2001
4
4
3
4
4
4
5
5
5
5
6
4
2002
4
4
4
5
6
5
5
5
5
4
3
3
2003
3
2
4
4
4
6
5
5
6
5
4
3
2004
2
3
4
4
5
5
6
5
6
5
3
4
2005
3
3
4
5
5
5
6
5
6
4
3
2
2006
4
4
7
6
7
7
7
7
6
6
7
6
2007
5
6
6
6
7
7
8
7
8
7
6
5
2008
6
6
7
6
7
8
6
-
= No Data Reported;
--
= Not Applicable;
NA
= Not Available;
W
= Withheld to avoid disclosure of individual company data.
Release Date: 9/30/2008
Next Release Date: Last Week of October 2008
Referring Pages:
Isobutane/Isobutylene Supply and Disposition
PADD 4 Refinery & Blender Net Inputs
Refinery & Blenders Net Input of Isobutane
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