http://www.immigrationwatch.com/uscis-processing-statistics.html
I140 -- Immigration Petition for Worker
Service Center Year Total Approval
California 2002 5229 3603(68.9%)
2003 13914 9653(69.3%)
2004 14792 11335(76.6%)
2005 16682 6577(39.4%)
2006 3947 0(0%)
Nebraska 2002 4847 3968(81.8%)
2003 17075 13569(79.4%)
2004 12235 9786(79.9%)
2005 12002 8253(68.7%)
2006 3293 2025(61.4%)
Texas 2002 4847 3883(80.1%)
2003 18008 14646(81.3%)
2004 18666 15280(81.8%)
2005 18131 13660(75.3%)
2006 3833 2740(71.4%)
Vermont 2002 9604 7777(80.9%)
2003 40892 33715(82.4%)
2004 33367 27854(83.4%)
2005 31815 20694(65.0%)
2006 5859 518(8.8%)
I485 -- Adjustment of Status
Service Center Year Total Approval
California 2002 12328 6212(50.3%)
2003 26316 13562(51.5%)
2004 23680 13263(56.0%)
2005 29519 8469(28.6%)
2006 2608 266(10.1%)
Nebraska 2002 39350 28613(72.7%)
2003 117954 72295(61.2%)
2004 91000 41624(45.7%)
2005 93182 34928(37.4%)
2006 6175 172(2.7%)
Texas 2002 18705 12931(69.1%)
2003 55202 36009(65.2%)
2004 49093 30513(62.1%)
2005 69896 29995(42.9%)
2006 14521 3537(24.3%)
Vermont 2002 19302 7634(39.5%)
2003 87459 30081(34.3%)
2004 61836 20027(32.3%)
2005 49271 11720(23.7%)
2006 2338 183(7.8%)