Context: According to China daily. Fifteen years after the satellite system was launched, it is now generating $31.5 billion for major companies such as China Aerospace Science and Industry Corp, AutoNavi Holdings Ltd, and China North Industries Group Corp.

Question: How long ago was the BeiDou Satellite System first launched?
Answer: Fifteen years

Question: How much revenue for companies is generated by the BDS system?
Answer: $31.5 billion

Question: What are some companies that profit from the BDS system?
Answer: China Aerospace Science and Industry Corp, AutoNavi Holdings Ltd, and China North Industries Group Corp.

Question: How long ago was the BlueDynamite Satellite System first launched?
Answer: Unanswerable

Question: How much revenue for companies is generated by the ABC system?
Answer: Unanswerable

Question: What are some companies that experience losses from the BDS system?
Answer: Unanswerable

Question: 17 years after it's launch, how much does the satellite system generate in profit?
Answer: Unanswerable