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| U.S. Refinery and Blender Net Production of Propylene (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | 120 | 133 | 132 | 122 | 126 | 133 | 133 | 132 | 132 | 129 | 129 | 132 |
| 1994 | 109 | 125 | 122 | 140 | 138 | 137 | 140 | 146 | 140 | 140 | 151 | 159 |
| 1995 | 152 | 146 | 154 | 159 | 149 | 150 | 152 | 151 | 153 | 152 | 144 | 145 |
| 1996 | 129 | 149 | 151 | 156 | 152 | 160 | 145 | 153 | 144 | 151 | 148 | 170 |
| 1997 | 194 | 179 | 188 | 209 | 207 | 202 | 198 | 191 | 206 | 207 | 199 | 205 |
| 1998 | 176 | 159 | 178 | 194 | 187 | 172 | 183 | 169 | 179 | 193 | 195 | 212 |
| 1999 | 187 | 189 | 179 | 176 | 204 | 199 | 192 | 207 | 213 | 217 | 226 | 226 |
| 2000 | 224 | 218 | 213 | 218 | 235 | 227 | 215 | 208 | 211 | 209 | 218 | 212 |
| 2001 | 201 | 198 | 204 | 206 | 211 | 183 | 194 | 204 | 213 | 223 | 213 | 200 |
| 2002 | 211 | 208 | 209 | 216 | 238 | 243 | 231 | 234 | 223 | 223 | 228 | 234 |
| 2003 | 204 | 213 | 221 | 258 | 259 | 243 | 229 | 225 | 220 | 214 | 226 | 229 |
| 2004 | 232 | 224 | 237 | 224 | 241 | 249 | 244 | 252 | 235 | 248 | 272 | 262 |
| 2005 | 233 | 252 | 235 | 246 | 247 | 229 | 227 | 225 | 188 | 192 | 225 | 251 |
| 2006 | 242 | 233 | 209 | 233 | 244 | 250 | 249 | 231 | 248 | 244 | 246 | 268 |
| 2007 | 251 | 206 | 237 | 223 | 239 | 234 | 222 | 227 | 233 | 221 | 243 | 242 |
| 2008 | 241 | 227 | 212 | 211 | 208 | 211 | 210 | 217 | 155 | 213 | 194 | 183 |
| 2009 | 201 | 219 | 239 | 236 | 250 | 252 | 255 | 259 | 274 | 252 | 254 | 262 |
| 2010 | 267 | 278 | 286 | 287 | 268 | 284 | 282 | 272 | 270 | 267 | 278 | 293 |
| 2011 | 299 | 269 | 263 | 279 | 290 | 286 | 281 | 272 | 306 | 280 | 278 | 281 |
| 2012 | 261 | 275 | 286 | 300 | 302 | 300 | 274 | 259 | 254 | 258 | 270 | 285 |
| 2013 | 274 | 281 | 283 | 293 | 285 | 274 | 285 | 287 | 281 | 269 | 270 | 286 |
| 2014 | 281 | 277 | 275 | 279 | 274 | 279 | 282 | 284 | 254 | 265 | 307 | 315 |
| 2015 | 273 | 255 | 236 | 276 | 285 | 291 | 298 | 299 | 264 | 263 | 275 | 293 |
| 2016 | 304 | 284 | 289 | 284 | 285 | 272 | 269 | 272 | 273 | 265 | 281 | 287 |
| 2017 | 266 | 262 | 291 | 303 | 298 | 282 | 295 | 280 | 235 | 291 | 301 | 311 |
| 2018 | 304 | 274 | 276 | 286 | 292 | 286 | 286 | 293 | 294 | 294 | 314 | 313 |
| 2019 | 292 | 289 | 261 | 272 | 283 | 290 | 286 | 284 | 282 | 281 | 287 | 280 |
| 2020 | 269 | 234 | 245 | 264 | 258 | 256 | 258 | 252 | 270 | 280 | 285 | 292 |
| 2021 | 296 | 245 | 267 | 299 | 324 | 306 | 298 | 296 | 279 | 269 | 301 | 305 |
| 2022 | 279 | 276 | 284 | 285 | 286 | 273 | 276 | 263 | 252 | 224 | 234 | 229 |
| 2023 | 233 | 226 | 247 | 261 | 256 | 252 | 255 | 255 | 245 | 234 | 273 | 276 |
| 2024 | 249 | 221 | 262 | 276 | 278 | 270 | 251 | 262 | 256 | 271 | 279 | 279 |
| 2025 | 262 | 239 | 238 | 245 | 263 | 262 | 269 | 241 | 235 | 214 | ||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 12/31/2025 |
| Next Release Date: 1/30/2026 |