3
3 3.1. 25 26 30 41 48 51 60 56 61-2 -
3 12 8 12 13 3.2. 70% 12% 17 () 16 557 159 73 11.8% 76.6% 89.0% 70.7% 2003 2002 2003 1997 2002 1999 15 10 Statistical Abstract of the U.S.2003Housing Statistics 2003 75 31 44-3 -
3 2005/ 3.3. 57 100 8 150-4 -
3 2007 12 6 (1945 ) 20 1966 5 1968-5 -
3 2005 12 15 5,387 4,722 12.2% 3.4. 1 50% 12% - 6 -
3 15 15 15-7 -
3 11 14 15 15 9 10 15 20~30-8 -
3 20~30 4.1. 18 6 8 3 18 9 19 18 27 10 10 5 4.2. 200 19 5 12 200-9 -
3 200 2008 1 10 200 12 2008 1 10 200 20 200 100 200-10 -
3 4.3. 14 8 12 5 20% 4.4. 2-11 -
3 1996 2005 2004 22~23 5001000 1999-12 -
3 200 5.1. 2006 29,719 5.22-13 -
3 5.2. 20-14 -
3 4,5-15 -