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Note: These data are available in spreadsheet format by clicking the ''Download Series History'' link on the previous page (with drop-down menu bar at top).
 View History:    Monthly     Annual   
East Coast (PADD 1) Refinery and Blender Net Production of Liquefied Petroleum Gases - Isobutane/Isobutylene (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 6 -6
  1986 -10 -50 -25 -48 -83 -69 -79 -62 -31 -97 -72 -93
  1987 9 -18 48 -5 6 54 59 45 40 72 21 25
  1988 17 -35 13 68 122 -13 60 16 32 45 8 2
  1989 45 8 -34 11 34 52 35 31 79 107 5 -13
  1990 -44 -50 -32 -33 -83 -109 6 -70 -44 -77 -50 -65
  1991 -42 -59 -58 -36 -81 -42 -78 -17 -24 -74 -47 -28
  1992 -38 -31 5 23 41 -79 -60 -47 -46 -63 -14 -43
  1993 11 -38 -95 -29 -8 -97 -101 -48 -79 30 -54 -34
  1994 24 30 -41 -105 -23 -119 -95 -54 -55 -77 42 -2
  1995 -56 -73 -71 -79 -82 -46 -44 15 -6 42 -16 -6
  1996 -19 -48 -38 84 73 69 41 10 82 6 -59 2
  1997 -26 107 -157 -57 -45 -114 -122 -144 -12 -67 -4 -22
  1998 -277 -209 -24 25 -147 -89 -114 -69 -158 -130 -153 -72
  1999 -101 -108 -197 -144 -79 -184 -1 -207 -176 -219 -111 -96
  2000 -133 49 -135 -93 -105 28 -55 -161 -87 -161 -212 -84
  2001 -108 -27 -164 -173 -155 -288 -193 -56 -97 -207 -202 -140
  2002 -148 -119 -159 -129 -95 -102 -60 -249 -162 -118 -143 -79
  2003 -66 -138 -171 -36 -62 77 -299 -169 -190 -175 -157 -153
  2004 -66 -132 -365 -83 -25 -113 -97 -65 -177 -182 -204 -137
  2005 -122 -53 -156 -78 -78 -143 -78 -200 -212 -33 -178 -213
  2006 59 182 -165 -12 301 48 10 -84 -28 22 -51 48
  2007 -228 -190 -115 -219 -34 -2 267 57 156 36 -74 12
  2008 106 -88 149 152


Updated on 6/26/2008
Source: U.S. Energy Information Administration
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