New production of Ginnie Mae mortgage securities tumbled in 2005, dropping by 31 percent from the previous year, according to a new ranking by Inside Mortgage Finance. A total of $85.85 billion of Ginnie Mae pass-through securities were issued last year, down from $124.75 billion in 2004. That was the lowest annual output since 1995, the last time the Ginnie program produced less than $100 billion in a calendar year. …