Here are some statistics from previous Maryland primaries:
CD1
Registered Republicans:183,348
Voted in 2006 Primary:57,723
Voted in 2004 Primary:35,752
Voted in 2000 Primary:49,574
CD2
Registered Republicans:88,181
Voted in 2006 Primary:21,631
Voted in 2004 Primary:13,036
Voted in 2000...