"NOX Emission Trends (tons/day, annual average)"								
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010
All Sources	4761	4947	4950	4929	4207	3570	3007	2573
Stationary Sources	1209	1249	1010	849	673	603	607	644
Area-wide Sources	72	81	84	81	85	94	99	104
On-Road Mobile	2299	2310	2670	2787	2413	1862	1397	1061
   Gasoline Vehicles	2074	1933	2024	1934	1728	1301	902	647
   Diesel Vehicles	224	378	647	853	686	561	495	415
Other Mobile	1181	1306	1185	1211	1035	1011	904	763