.2 million shares were available for purchase . we utilize third-party broker-dealers to acquire common shares on the open market in the execution of our stock purchase program . in addition , shares may be acquired for other deferred compensation plans , held by an external trustee , that are not part of the common stock purchase program . as of december 31 , 2006 , on a cumulative basis , approximately 395000 shares have been purchased and are held in trust