献上内容：
SUGI会议发表的文章，可以免费阅读下载。
http://support.sas.com/events/sasglobalforum/previous/index.html

SUGI 简介：
SUGI is a non-profit organization of SAS® software users. SUGI is governed by an executive committee, which meets annually at the SUGI conference. SUGI is open to all current and potential users of SAS software and to SAS staff; there is no membership fee.

The first SUGI, held in 1976 in Kissimmee, Florida, had 206 attendees. Today, thousands of users from all over the world attend the annual conference.