| Year | Refinery Output | Net Imports | Stock Changes and Other Adjustments | Products Supplied |
| 1990 | 15.27 | 1.38 | 0.34 | 16.99 |
| 1991 | 15.26 | 0.96 | 0.50 | 16.71 |
| 1992 | 15.44 | 0.95 | 0.69 | 17.08 |
| 1993 | 15.79 | 0.93 | 0.52 | 17.24 |
| 1994 | 15.79 | 1.09 | 0.84 | 17.72 |
| 1995 | 15.99 | 0.75 | 0.99 | 17.73 |
| 1996 | 16.37 | 1.10 | 0.89 | 18.36 |
| 1997 | 16.76 | 1.04 | 0.82 | 18.62 |
| 1998 | 17.03 | 1.17 | 0.72 | 18.92 |
| 1999 | 16.99 | 1.30 | 1.23 | 19.52 |
| 2000 | 17.30 | 1.20 | 1.00 | 19.50 |
| 2001 | 17.62 | 1.36 | 1.01 | 19.99 |
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