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U.S. Ending Stocks of Propane and Propylene (Thousand Barrels)
U.S. Ending Stocks of Propane and Propylene (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1971 34,998 28,565 30,772 36,486 44,602 51,854 59,160 64,901 67,599 70,155 67,371 62,861
  1972 53,927 45,379 46,517 51,367 60,229 65,230 71,063 73,878 77,337 75,480 67,328 53,561
  1973 40,500 31,689 34,003 38,719 45,519 53,576 62,176 67,142 70,549 72,999 67,924 64,647
  1974 57,683 56,186 58,484 62,605 68,957 74,063 78,039 81,447 81,192 79,911 75,846 68,606
  1975 61,381 58,157 56,756 57,867 64,612 73,021 78,749 83,301 86,001 88,392 89,302 81,843
  1976 69,485 67,024 68,967 72,789 78,925 84,579 89,011 92,365 95,720 93,441 86,091 73,804
  1977 57,816 47,634 51,467 58,081 65,681 71,070 78,352 84,309 87,973 88,851 87,668 81,444
  1978 70,789 61,223 61,471 68,134 74,256 80,499 87,034 91,251 93,648 91,805 90,801 86,885
  1979 74,267 62,979 59,625 61,175 65,925 69,415 73,459 75,764 76,322 72,577 68,524 63,793
  1980 53,581 48,191 46,281 52,812 55,512 60,451 65,718 70,060 72,173 70,640 72,341 65,356
  1981 59,580 56,291 57,062 60,928 67,956 72,856 78,532 81,924 82,380 79,583 80,285 75,558
  1982 66,038 61,935 59,396 58,005 60,437 62,537 62,764 63,265 63,290 61,131 57,293 54,130
  1983 46,735 41,815 40,142 40,881 46,985 53,391 58,634 62,663 61,999 61,304 60,518 48,191
  1984 43,700 42,018 40,627 44,597 50,464 55,334 59,067 61,669 64,049 61,823 60,629 57,803
  1985 47,322 41,358 41,328 45,412 50,044 52,805 55,085 57,354 57,266 50,294 46,725 39,475
  1986 36,568 34,125 36,189 40,416 48,616 58,940 68,572 75,367 78,985 73,882 69,752 62,852
  1987 52,093 46,372 44,649 45,183 50,113 53,830 55,503 58,663 56,824 54,463 53,884 47,792
  1988 36,688 31,050 29,951 38,282 45,985 52,196 58,731 63,594 63,074 61,771 59,226 50,427
  1989 45,099 36,425 32,286 36,734 43,888 49,609 56,517 60,394 59,047 53,922 48,224 31,528
  1990 33,458 33,215 33,053 32,106 36,206 45,023 50,135 54,202 57,249 54,724 53,793 48,915
  1991 35,003 30,143 29,843 35,203 41,844 48,523 51,042 52,291 51,626 52,720 51,598 47,645
  1992 38,890 33,083 32,613 36,224 44,064 50,251 55,714 59,331 60,849 58,124 50,834 38,884
  1993 32,322 25,196 21,814 28,953 37,205 45,148 53,075 58,594 61,355 61,022 57,254 51,205
  1994 33,644 25,010 25,417 31,059 40,552 47,956 54,797 58,119 60,416 54,980 53,694 46,463
  1995 35,653 25,529 25,953 30,661 37,133 42,773 50,081 55,865 57,221 56,525 51,737 42,911
  1996 31,973 21,911 21,867 25,289 31,774 40,551 46,392 48,971 51,886 50,732 46,283 43,008
  1997 32,456 24,718 27,573 32,073 39,891 47,404 54,551 59,895 60,789 61,329 54,639 44,045
  1998 34,422 32,788 29,737 37,283 50,555 60,634 67,313 73,091 76,641 75,250 72,376 64,633
  1999 47,574 43,842 36,395 40,178 45,843 50,512 57,114 60,453 59,440 56,554 54,639 43,026
  2000 29,403 23,182 22,597 25,624 36,379 43,948 52,560 57,702 60,317 62,790 59,885 41,192
  2001 29,436 25,107 24,328 31,285 43,443 53,897 59,651 65,459 67,072 68,239 70,271 65,771
  2002 53,494 42,556 39,265 45,915 50,793 58,338 64,229 68,235 70,564 65,103 61,830 52,552
  2003 33,767 22,083 21,947 24,440 34,592 46,000 55,525 60,392 62,480 64,626 61,860 49,500
  2004 34,030 26,458 28,482 30,521 38,309 44,728 51,066 58,296 67,768 68,476 65,724 54,999
  2005 41,716 32,297 27,158 35,460 43,537 52,869 61,699 65,156 68,866 71,442 72,363 57,231
  2006 48,238 36,228 30,047 35,266 42,042 49,595 58,401 64,259 71,071 72,365 68,543 61,599
  2007 46,974 29,955 26,867 29,533 36,516 43,658 49,714 54,782 58,299 60,970 59,696 52,007
  2008 39,367 29,003 25,570 30,285 38,135 42,506 47,514 54,090 58,981 59,569 60,640 55,408
  2009 46,160 39,628 40,047 44,762 55,558 64,160 69,855 71,310 75,053 71,835 62,575 50,140
  2010 32,101 24,869 25,182 31,664 38,699 45,325 51,371 55,918 58,306 59,567 59,306 47,227
  2011 32,357 24,140 22,503 26,387 31,179 37,883 44,908 49,820 54,036 56,142 54,747 49,749
  2012 42,552 38,622 40,907 46,541 52,651 57,646 63,923 68,271 71,846 70,470 68,911 64,338
  2013 52,824 43,951 37,127 37,057 43,934 51,908 56,726 62,427 64,870 59,472 53,109 41,552
  2014 27,783 24,774 25,501 31,610 43,161 53,599 63,866 73,423 78,666 79,052 77,572 74,281
  2015 64,306 51,607 54,669 62,660 73,245 79,902 86,642 93,580 96,101 101,109 101,629 93,268
  2016 76,383 62,797 63,351 70,595 73,337 82,092 88,273 96,774 101,572 99,040 96,977 79,392
  2017 55,527 48,280 41,507 39,664 47,520 58,159 65,429 75,720 73,130 74,979 72,011 64,253
  2018 47,130 39,768 35,063 36,606 45,043 57,789 61,799 68,445 77,125 80,529 75,675 65,528
  2019 52,604 47,164 50,626 55,136 65,158 73,471 79,748 93,272 98,253 96,725 90,103 81,329
  2020 75,875 65,398 62,330 64,339 69,481 77,317 86,848 96,846 101,830 96,029 90,657 71,343
  2021 56,315 44,524 42,815 46,008 53,331 57,971 65,535 70,747 73,487 77,628 73,656 65,236
  2022 -- -- -- -- -- -- -- -- -- -- -- --
  2023 -- -- -- -- -- -- -- -- -- -- -- --
  2024 -- -- -- -- -- -- -- -- -- -- -- --
  2025 -- --

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 4/30/2025
Next Release Date: 5/30/2025

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