Home
>
Petroleum
>
Navigator
Energy Glossary
View History:
Monthly
Annual
Download Data (XLS File)
Midwest (PADD 2) Isobutane-Isobutylene Imports (Thousand Barrels)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1984
426
351
312
209
210
246
171
213
271
436
611
474
1985
390
344
468
256
268
283
195
238
351
395
451
583
1986
470
339
297
256
283
166
347
273
237
333
626
339
1987
555
383
340
332
293
318
332
209
342
399
605
524
1988
373
406
364
299
195
224
265
279
231
349
515
414
1989
116
107
94
44
32
82
86
59
85
102
87
57
1990
280
209
31
24
14
6
6
3
4
5
12
172
1991
217
133
178
93
292
44
191
40
46
32
58
36
1992
70
139
78
40
84
88
76
97
43
50
67
45
1993
115
80
123
334
144
141
150
152
248
200
171
243
1994
70
139
179
242
151
75
294
298
103
220
6
69
1995
171
105
50
222
239
207
336
313
139
14
11
13
1996
119
47
22
29
81
11
142
104
295
55
277
1997
147
319
124
154
229
264
269
258
216
167
207
250
1998
398
215
253
219
274
123
137
266
152
269
104
175
1999
237
186
156
59
192
300
342
68
268
352
313
332
2000
354
334
268
393
431
374
422
232
129
116
139
60
2001
25
11
64
22
51
35
6
9
30
5
7
7
2002
9
4
4
9
8
21
12
7
14
15
19
2003
18
11
20
12
26
19
42
91
49
36
17
10
2004
1
61
74
51
18
58
138
269
84
89
98
126
2005
112
134
133
57
81
191
137
96
255
230
170
89
2006
145
115
142
150
141
114
174
191
80
127
158
179
2007
140
128
198
132
99
188
182
223
67
92
96
132
2008
179
166
194
80
133
165
172
-
= 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
Midwest (PADD 2) Supply and Disposition
Contact Us
·
Feedback
·
Privacy/Security
·
Careers
·
About Us