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| East Coast (PADD 1) Ending Stocks of Ethane-Ethylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1984 | 24 | 9 | 8 | 27 | 23 | 26 | 7 | 26 | 13 | 9 | 13 | |
| 1986 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 2 |
| 1987 | 2 | 2 | 1 | 2 | 1 | 2 | 3 | 2 | 2 | 2 | 2 | 2 |
| 1988 | 7 | 23 | 7 | 11 | 17 | 19 | 18 | 23 | 23 | 18 | 23 | 22 |
| 1989 | 14 | 24 | 21 | 18 | 17 | 22 | 18 | 17 | 23 | 20 | 16 | 10 |
| 1990 | 11 | 9 | 15 | 15 | 15 | 18 | 18 | 14 | 33 | 9 | 8 | 16 |
| 1991 | 2 | 2 | 2 | 2 | 2 | 0 | 1 | 2 | 1 | 3 | 0 | 2 |
| 1992 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1995 | 22 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 14 | 12 | |
| 1996 | 9 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| 1997 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |||
| 2006 | 1 | 1 | 2 | 1 | 2 | 2 | 9 | 2 | 6 | 2 | 3 | 1 |
| 2007 | 1 | 2 | 1 | 1 | 1 | 2 | 1 | |||||
| 2010 | 5 | |||||||||||
| 2011 | 1 | 1 | 1 | 1 | ||||||||
| 2012 | 1 | |||||||||||
| 2013 | 1 | 1 | 1 | 1 | 2 | 2 | 10 | 17 | 17 | 8 | 27 | |
| 2014 | 24 | 76 | 75 | 75 | 75 | 74 | 75 | 74 | 74 | 74 | 87 | 88 |
| 2015 | 89 | 89 | 87 | 89 | 88 | 86 | 85 | 87 | 86 | 86 | 87 | 118 |
| 2016 | 153 | 317 | 296 | 440 | 300 | 366 | 229 | 388 | 388 | 530 | 290 | 440 |
| 2017 | 279 | 336 | 514 | 364 | 394 | 526 | 408 | 407 | 416 | 373 | 408 | 454 |
| 2018 | 482 | 622 | 398 | 367 | 324 | 661 | 645 | 623 | 767 | 683 | 623 | 843 |
| 2019 | 450 | 303 | 299 | 550 | 448 | 709 | 493 | 615 | 663 | 520 | 632 | 739 |
| 2020 | 556 | 1,073 | 929 | 755 | 616 | 562 | 391 | 803 | 705 | 859 | 995 | 1,076 |
| 2021 | 1,143 | 763 | 688 | 1,267 | 1,241 | 792 | 719 | 1,037 | 946 | 1,175 | 1,058 | 684 |
| 2022 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2023 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2024 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2025 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2026 | -- | -- | ||||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 4/30/2026 |
| Next Release Date: 5/29/2026 |