Some more statistical info equated to the listing data, it looks like this.

Again, in Douglas County, for all categories (land, res, comm, etc.) for the repective years,

2011: 1670 new listings..$189,569 Avg.List$..218 DaysOnMkt…$293,744,071 New List Volume
2010: 1652…$193,907…186…$337,494,926
2009: 1602…$179,510…182…$325,271,740
2008: 2034…$202,147…164…$402,218,636
2007: 1862…$205,201…149…$395,666,458
2006: 1587…$184,346…169…$330,807,456
2005: 1378…$189,307…164…$296,703,371
2004: 1378…$173,378…168…$268,559,019
2003: 1412…$162,916…159…$252,373,473
2002: 1272…$140,431…159…$204,731,126
2001: 1155…$122,017…169…$159,417,460
2000: 996….$115,596…176…$127,947,486
1999: 723….$119,912…139…$83,685,091

(Note-Average list price is of the listings that sold)

Source: Greeater Alexandria Area Association of Realtors Multiple Listing Service