A sluggish year for loan producers and the need to comply with new disclosure requirements have combined to slow down the subprime MBS market during the first half of the year. According to data compiled by the Inside Mortgage Finance MBS Database, $259.16 billion in new bonds backed by subprime mortgages were issued during the first half of 2006, a 7.8 percent increase from the same period in 2005. … [One data table included]