Western experts said the number was probably in the hundreds.
The investments would be subject to approval by Western financial experts.
Other Western experts estimate the drug business to be worth $300 billion a year.
But Western experts have yet to see concrete evidence of a shift away from the military.
Western experts have said this would be enough to wipe out the entire world population.
But Western experts say no one really knows for sure.
"If its true it is a major departure," said one Western military expert.
Actual military spending may be three to five times the reported total of $20 billion, according to Western experts.
Western experts expect the conversion to take place by 2010.
Most Western experts doubt that such restrictions are in place.