Question: The manufacturing conglomerate that Steyr Mannlicher was originally a part of was broken up in stages between which years?

Related documents: [0]  [DOC] Steyr Mannlicher is a firearms manufacturer based in Sankt Ulrich bei Steyr, Austria. Originally part of Steyr-Daimler-Puch, it became independent when the conglomerate was broken up in 1989. [END] 
[1]  [DOC] Steyr-Daimler-Puch was a large manufacturing conglomerate based in Steyr, Austria, which was broken up in stages between 1987 and 2001. The component parts and operations continued to exist under separate ownership and new names. [END]  
Answer: 1987 and 2001
1987 and 2001