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Download Data (XLS File) |
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| Midwest (PADD 2) Imports of Isobutane (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | 6 | 4 | 2 | 7 | 8 | 7 | 11 | 10 | 5 | 0 | 0 | 0 |
| 1996 | 4 | 0 | 2 | 1 | 1 | 3 | 0 | 5 | 3 | 10 | 2 | 9 |
| 1997 | 5 | 11 | 4 | 5 | 7 | 9 | 9 | 8 | 7 | 5 | 7 | 8 |
| 1998 | 13 | 8 | 8 | 7 | 9 | 4 | 4 | 9 | 5 | 9 | 3 | 6 |
| 1999 | 8 | 7 | 5 | 2 | 6 | 10 | 11 | 2 | 9 | 11 | 10 | 11 |
| 2000 | 11 | 12 | 9 | 13 | 14 | 12 | 14 | 7 | 4 | 4 | 5 | 2 |
| 2001 | 1 | 0 | 2 | 1 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| 2002 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 |
| 2003 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 3 | 2 | 1 | 1 | 0 |
| 2004 | 0 | 2 | 2 | 2 | 1 | 2 | 4 | 9 | 3 | 3 | 3 | 4 |
| 2005 | 4 | 5 | 4 | 2 | 3 | 6 | 4 | 3 | 9 | 7 | 6 | 3 |
| 2006 | 5 | 4 | 5 | 5 | 5 | 4 | 6 | 6 | 3 | 4 | 5 | 6 |
| 2007 | 5 | 5 | 6 | 4 | 3 | 6 | 6 | 7 | 2 | 3 | 3 | 4 |
| 2008 | 6 | 6 | 6 | 3 | 4 | 6 | 6 | 2 | 4 | 4 | 5 | 2 |
| 2009 | 8 | 7 | 6 | 6 | 5 | 6 | 6 | 7 | 6 | 6 | 8 | 8 |
| 2010 | 5 | 5 | 4 | 3 | 3 | 4 | 4 | 5 | 8 | 5 | 4 | 4 |
| 2011 | 5 | 3 | 5 | 4 | 3 | 3 | 3 | 6 | 5 | 4 | 4 | 3 |
| 2012 | 3 | 4 | 6 | 4 | 8 | 8 | 7 | 10 | 6 | 6 | 3 | 4 |
| 2013 | 5 | 6 | 9 | 5 | 4 | 8 | 9 | 8 | 8 | 6 | 6 | 7 |
| 2014 | 5 | 6 | 7 | 6 | 5 | 5 | 5 | 4 | 6 | 5 | 5 | 4 |
| 2015 | 4 | 5 | 5 | 6 | 7 | 8 | 6 | 8 | 6 | 5 | 7 | 9 |
| 2016 | 8 | 6 | 7 | 7 | 7 | 7 | 10 | 7 | 5 | 5 | 3 | 5 |
| 2017 | 5 | 7 | 5 | 9 | 8 | 6 | 7 | 9 | 7 | 7 | 6 | 8 |
| 2018 | 7 | 7 | 9 | 6 | 2 | 2 | 5 | 6 | 4 | 4 | 8 | 7 |
| 2019 | 8 | 6 | 5 | 3 | 3 | 5 | 8 | 10 | 7 | 5 | 2 | 3 |
| 2020 | 5 | 3 | 5 | 2 | 4 | 7 | 7 | 9 | 4 | 1 | 1 | 2 |
| 2021 | 4 | 4 | 3 | 9 | 5 | 10 | 10 | 6 | 4 | 4 | 3 | 3 |
| 2022 | 2 | 6 | 5 | 10 | 11 | 7 | 6 | 9 | 5 | 5 | 5 | 6 |
| 2023 | 6 | 5 | 11 | 10 | 8 | 5 | 7 | 7 | 6 | 6 | 4 | 5 |
| 2024 | 6 | 6 | 8 | 10 | 10 | 9 | 11 | 8 | 5 | 7 | 6 | 5 |
| 2025 | 6 | 4 | 7 | 7 | 5 | 10 | 8 | 10 | ||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 10/31/2025 |
| Next Release Date: 11/28/2025 |