a0 = [COUNTY.COUNTY%%.DATA]RG-G96_CY%%_RG-G96.DAT a1 = [COUNTY.COUNTY%%.DATA]SR-G96_CY%%_SV-G96-RG-G96.DAT a2 = [COUNTY.COUNTY%%.DATA]SV-G96_CY%%_SV-G96.DAT a3 = [COUNTY.COUNTY%%.DBF]RG-G96_CY%%_RG-G96.DBF a4 = [COUNTY.COUNTY%%.DBF]SR-G96_CY%%_SV-G96-RG-G96.DBF a5 = [COUNTY.COUNTY%%.DBF]SV-G96_CY%%_SV-G96.DBF a6 = [COUNTY.COUNTY%%.CNV]BL-C90_CY%%_PB-G94.DAT a7 = [COUNTY.COUNTY%%.CNV]BL-C90_CY%%_PB-G94.DBF a8 = [COUNTY.COUNTY%%.CNV]SR_G94_CY%%_RG-G94.CNV a9 = [COUNTY.COUNTY%%.CNV]SR_G94_CY%%_SV-G94.CNV CY -- a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 01 X X X X X X X X X X 02 X X X X X X X X X X 03 X X X X X X X X X X 04 X X X X X X X X X X 05 X X X X X X X X X X 06 X X X X X X X X X X 07 X X X X X X X X X X 08 X X X X X X X X X X 09 X X X X X X X X X X 10 X X X X X X X X X X 11 X X X X X X X X X X 12 X X X X X X X X X X 13 X X X X X X X X X X 14 X X X X X X X X X X 15 X X X X X X X X X X 16 X . . X . . X X X X 17 X X X X X X X X X X 18 X X X X X X X X X X 19 X X X X X X X X X X 20 X X X X X X X X X X 21 X X X X X X X X X X 22 X X X X X X X X X X 23 X X X X X X X X X X 24 X X X X X X X X X X 25 X X X X X X X X X X 26 X X X X X X X X X X 27 X X X X X X X X X X 28 X X X X X X X X X X 29 X X X X X X X X X X 30 X X X X X X X X X X 31 X X X X X X X X X X 32 X X X X X X X X X X 33 X . . X . . X X X X 34 X X X X X X X X X X 35 X X X X X X X X X X 36 X X X X X X X X X X 37 X X X X X X X X X X 38 X X X X X X X X X X 39 X X X X X X X X X X 40 X X X X X X X X X X 41 X X X X X X X X X X 42 X X X X X X X X X X 43 X X X X X X X X X X 44 X X X X X X X X X X 45 X X X X X X X X X X 46 X X X X X X X X X X 47 X X X X X X X X X X 48 X X X X X X X X X X 49 X X X X X X X X X X 50 X X X X X X X X X X 51 X X X X X X X X X X 52 X X X X X X X X X X 53 X X X X X X X X X X 54 X X X X X X X X X X 55 X X . X X . X X X X 56 X X X X X X X X X X 57 X X . X X . X X X X 58 X X X X X X X X X X -- a0 a1 a2 a3 a4 a5 a6 a7 a8 a9