Hi
Develop the report with help of ABAPer or user LSMW method to upload data
user below link
http://help.sap.com/saphelp_nw04s/helpdata/en/87/f3ae74e68111d1b3ff006094b944c8/content.htm
http://www.sap-topjobs.com/LSMW.pdf
there are steps in LSMW.
Regards
Sampath