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View History:
Monthly
Annual
Download Data (XLS File)
U.S. Normal Butane-Butylene Imports (Thousand Barrels per Day)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1981
111
68
49
40
35
35
36
46
62
102
67
66
1982
80
59
42
45
49
61
45
45
73
76
63
70
1983
77
48
43
32
32
33
37
53
35
64
53
63
1984
45
34
37
29
33
32
22
25
31
39
57
60
1985
60
45
45
31
34
43
29
21
28
49
51
78
1986
60
67
71
42
55
83
99
82
56
54
76
66
1987
60
68
43
50
42
42
63
69
86
58
66
72
1988
65
69
47
75
56
43
69
77
56
72
89
62
1989
55
93
36
17
22
29
60
58
49
38
60
68
1990
53
59
23
20
37
69
45
99
44
55
48
49
1991
24
17
15
30
12
36
40
42
42
68
56
41
1992
31
23
15
24
17
23
18
36
23
49
37
37
1993
32
33
17
16
33
16
21
20
45
50
33
40
1994
31
19
19
10
11
26
37
17
29
36
32
14
1995
18
13
6
9
7
26
15
27
22
16
17
13
1996
29
14
20
14
24
27
33
10
23
6
13
13
1997
17
16
17
25
31
31
28
33
29
21
20
20
1998
28
31
18
21
41
37
41
12
25
14
9
6
1999
10
3
7
12
22
20
24
20
13
15
17
21
2000
31
15
17
10
18
29
17
23
22
16
17
20
2001
27
28
32
63
52
93
18
45
55
28
29
33
2002
39
34
39
34
35
31
16
32
26
33
23
21
2003
30
23
34
45
39
79
72
47
37
44
39
30
2004
32
56
43
22
30
28
69
55
57
23
28
27
2005
37
74
48
70
77
59
76
89
55
90
64
53
2006
58
60
42
80
79
87
79
82
106
83
46
39
2007
51
34
33
46
57
84
61
38
39
30
27
39
2008
49
49
23
49
30
46
Release Date: 8/26/2008
Next Release Date: Last Week of September 2008
Referring Pages:
Normal Butane/Butylene Supply and Disposition
U.S. Supply and Disposition
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