A company investigation turned up metal in roughly 200 pills of the 70 million it passed through a metal detector, according to the FDA.
The percentage of pills containing metal in the investigation was what had been expected by the FDA. 
( z1 expect :ARG0 ( z2 government-organization :name ( z3 name :op "FDA" ) ) :ARG1 ( z4 percentage :quant-of ( z5 pill :ARG0-of ( z6 contain :ARG1 ( z7 metal ) ) ) :time ( z8 investigate ) ) )