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Monthly
Annual
Download Data (XLS File)
West Coast (PADD 5) 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
5
6
9
7
9
8
8
7
7
10
7
9
1982
11
7
10
10
9
11
12
9
12
8
9
8
1983
6
8
5
4
3
6
5
4
3
6
5
4
1984
4
7
7
9
4
8
6
6
10
6
6
7
1985
7
3
3
11
8
10
10
12
10
6
3
6
1986
8
9
7
10
13
12
10
8
11
8
3
6
1987
4
9
8
10
9
7
9
9
8
6
7
5
1988
9
12
10
11
16
15
15
12
13
10
9
12
1989
13
9
11
12
10
12
12
11
11
13
11
12
1990
15
12
7
8
8
8
12
13
14
16
20
14
1991
15
13
12
15
19
18
18
19
19
23
20
18
1992
17
21
17
19
18
18
15
20
18
22
21
25
1993
17
18
20
23
18
21
20
23
19
19
17
18
1994
18
21
17
17
18
21
18
17
19
21
17
21
1995
15
13
16
17
19
16
18
15
15
21
16
15
1996
15
19
18
15
16
17
17
14
19
20
19
14
1997
14
15
16
20
21
20
18
19
17
15
13
15
1998
13
11
12
18
13
18
16
15
17
18
17
15
1999
17
12
13
12
13
16
13
11
14
15
13
12
2000
14
16
14
11
11
12
12
11
13
10
10
10
2001
16
14
16
18
14
11
13
12
11
13
15
9
2002
12
14
13
13
13
11
12
11
10
11
12
14
2003
16
13
12
13
13
10
12
11
12
11
13
14
2004
10
10
13
17
17
11
12
15
12
13
14
14
2005
14
15
13
14
15
10
10
13
13
14
16
15
2006
23
25
26
26
29
26
17
24
18
20
21
23
2007
17
28
26
27
25
24
24
21
18
21
23
20
2008
19
23
22
15
19
22
Release Date: 8/26/2008
Next Release Date: Last Week of September 2008
Referring Pages:
Isobutane/Isobutylene Supply and Disposition
PADD 5 Refinery & Blender Net Inputs
Refinery & Blenders Net Input of Isobutane
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