A significant drop in refinancing and slower growth in lending to minorities kept last year’s mortgage production volume way below the record $1.074 trillion in mortgage originations reported under the Home Mortgage Disclosure Act in 1999, according to new data published by federal banking regulators last week. Lenders reported a total of $872.5 billion in HMDA mortgage originations for 2000, representing an 18.8 percent drop from last year’s total origination volume, data from the Federal