Here is the caseload report for Virginia circuit courts in 2002, including the numbers by circuit and by city and county. Apparently, the number of civil cases concluded in the 28th Circuit in 2002 (1370) was almost the same as the number of cases concluded in the 29th Circuit (1371), while the 30th Circuit concluded 1783 cases. The 29th Circuit concluded 5074 criminal cases, to 2266 in the 28th Circuit and 4158 in the 30th Circuit. The same information is available here for the district courts.