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Note: These data are available in spreadsheet format by clicking the ''Download Series History'' link on the previous page (with drop-down menu bar at top).
View History:
Monthly
Annual
West Coast (PADD 5) Normal Butane-Butylene Imports (Thousand Barrels per Day)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1981
9
18
13
12
13
9
10
10
8
12
18
11
1982
23
14
11
11
10
9
10
10
11
12
17
19
1983
19
12
12
9
8
9
9
18
4
6
9
12
1984
8
9
8
7
7
7
4
9
5
6
7
7
1985
10
5
12
5
4
2
9
1
2
3
4
10
1986
7
6
12
3
4
3
4
6
6
6
18
12
1987
10
10
4
7
4
3
2
2
2
4
4
15
1988
5
6
5
4
6
4
2
3
5
8
14
7
1989
5
5
2
1
1
1
1
2
1
2
3
7
1990
3
1
0
0
0
0
1
1
1
3
4
1
1991
1
1
0
0
0
1
1
0
0
0
0
1
1992
1
1
0
0
0
0
0
0
0
0
0
1
1993
0
1
1994
0
1
1
2000
1
2
0
0
0
1
1
1
2001
1
0
3
2
0
2
2
2
5
7
8
7
2002
6
4
2
0
1
1
0
2003
0
2004
1
0
2005
1
1
2
2
1
0
2006
2
1
2
1
1
0
0
0
3
1
1
3
2007
0
2
0
0
1
3
0
4
3
0
0
2008
0
0
2
Updated on 6/26/2008
Source: U.S. Energy Information Administration
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