This chart and map track recent movements in single-family home sales in Anne Arundel County by ZIP Code. The chart lists sales volume and median price for December 1990, the most recent month available, and for the year up to December. The map reflects the percentage change between the year-to-date median price for December 1990 and the year-to-date figure for December 1989. ZIP codes in which there have been fewer than 10 transactions will be listed as "no change," with an asterisk (*). In future weeks, similar charts and maps will appear for Carroll and Howard counties (March 17) and Harford (March 24). A metro-wide roundup of sales activity will appear March 31. Information for Baltimore and Baltimore County will appear April 8. Data for Anne Arundel County will appear again April 15. The information is provided by Rufus S. Lusk & Son Inc.