This is the data I collected from www.ins.gov. This includes Family Based Also
Month______Receipts_____Pending
Dec-00_____47,018_______996,905
Mar-01_____81,373_______982,426
May-01_____72,295_______996,077
Jun-01_____61,613_____1,318,275
Jul-01_____59,252_______966,945
Aug-01_____67,446_______941,741
Sep-01_____57,948_______979,685
Oct-01_____98,024_____1,001,887
Nov-01_____67,572_______950,481
Dec-01_____55,455_______936,928
Jan-02_____52,990_______922,955
Avg:_______65,544