| 2000 | 2002 | 2004 | 2006 | 2008 | 2010 | 2012 | 2014 | 2016 | 2018 | 2020 | Percent change 2000 to 2020 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DPM + DEOG | 132,049 | 116,657 | 105,706 | 92,963 | 73,243 | 56,097 | 43,446 | 32,737 | 25,661 | 19,182 | 17,411 | -87% |
| Benzene | 180,165 | 169,102 | 142,547 | 118,937 | 106,516 | 97,394 | 89,029 | 83,368 | 79,768 | 77,483 | 76,727 | -57% |
| Formaldehyde | 77,881 | 69,536 | 56,642 | 43,905 | 37,516 | 33,496 | 30,055 | 28,538 | 27,605 | 27,238 | 27,497 | -65% |
| Acetaldehyde | 35,071 | 31,818 | 26,226 | 20,911 | 18,219 | 16,490 | 14,839 | 14,038 | 13,572 | 13,355 | 13,476 | -62% |
| 1,3-Butadiene | 23,189 | 21,159 | 16,583 | 13,662 | 12,313 | 11,359 | 10,215 | 9,655 | 9,338 | 9,178 | 9,282 | -60% |
| Acrolein | 3,029 | 2,705 | 2,205 | 1,779 | 1,554 | 1,374 | 1,227 | 1,159 | 1,119 | 1,104 | 1,115 | -63% |
| VMT (Trillions) | 2.767 | 2.907 | 3.055 | 3.209 | 3.372 | 3.542 | 3.722 | 3.910 | 4.108 | 4.316 | 4.535 | 64% |