What year was this craftsman edger model 536.871101 built?

The owners manual is available for download from SearsPartsDirect. It is in English and Spanish and 92 pages in length in both languages. By looking inside the back cover, or at page91, one sees that it was printed on October 22, 1999. There should be a date codeon the model number tag and it is the last day of the model year and the three digit numeric day of the year, mrnaing if it is 9035; it means February 4, 1999. You can get the manual by clicking Download from the link attached below.