Countrywide Home Loans extended its lead as the top originator in the residential mortgage market in 2005, according to an exclusive new ranking by Inside Mortgage Finance. Countrywide reported a record $490.95 billion in new mortgage production last year, up 35.2 percent from the company’s volume in 2004. Back in the 1980s that would have been a decent year for total mortgage originations. It boosted Countrywide to a 15.7 percent share of new production, although… [Two data tables included]