Obamacare premium costs will soar 20.3 percent on average in 2016 instead of the 7.5 percent increase claimed by federal officials, according to an analysis by The Daily Caller News Foundation. The discrepancy is because the government excluded price data for three of the four Obamacare health insurance plans when the officials issued their recent forecast claiming enrollees would face only a 7.5 percent average rate increase in 2016.