From the Twilight Wikipedia Page:
Twilight was initially rejected by 14 agents, however, eight publishers competed for the rights to publish Twilight in the 2003 auction. Little, Brown and Company originally bid for $300,000, but Meyer’s agent asked for $1 million; the publishers finally settled on $750,000 for three books. Twilight was published in 2005 with a print run of 75,000 copies. It debuted at #5 on the New York Times Best Seller list within a month of its release, and later peaked at #1. Foreign rights to the novel were sold to over 26 countries.
In October 2008, Twilight was ranked #26 in USA Today‘s list of “Bestselling Books of Last 15 Years”. Later, the book went on to become the best-selling book of 2008. and the second biggest selling of 2009, only behind its sequel New Moon.