The Case-Shiller Index shows a decline in housing prices of 4.2% in the first quarter of 2011. This follows a drop of 3.6% in the fourth quarter of 2010. Of the 20 cities in the index, 12 were at a post-bubble low in March 2011. The yearly drop for Minneapolis was 10%. Only Washington D.C. showed a rise in March and over the year. Housing prices are at 2002 levels. The Center for Economic and Policy Research estimates a decline of 6-8% for the rest of 2011. The excess supply of housing was estimated at 1.8 million units in April 2010 by the financial Blog Calculated Risk, which used 2010 census data for the estimate calculations. The Conference Board consumer confidence index fell to 60.8 from a revised 66 in April 2011.