How is this number generated?

来源: bpc2001 于 2006-09-13 22:51:07 [旧帖] [给我悄悄话] 本文已被阅读：次

How is this 20% calculated? Also, what about 2001 and previous years? I know in my company at least 90% EB2s in 2001 are still in BEC, including myself. Your calculation seems weird.