. gains on sales of education loans totaled $ 24 million in 2007 , $ 33 million in 2006 and $ 19 million in 2005 . loans held for sale are reported separately on the consolidated balance sheet and are not included in the table above . interest income from total loans held for sale was $ 184 million for 2007 , $ 157 million for 2006 and $ 104 million for 2005 and is included in other interest income in our consolidated income statement. .