Notes
1. Percent increase in year indicated over previous year, on an incurred basis.
2. Reflects the allowances provided for in the prospective payment update factors. Also reflects the downward adjustments to price updates based on the 10?year moving average of private, non-farm business multifactor productivity growth in 2012 and later, and additional decreases in updates ranging from 0.1percentage point to 0.75 percentage point from 2010 through 2019, as introduced by the Affordable Care Act. Historical values also include any difference between the official payment update, which is based on an estimate for the following year, and subsequent actual data.
Historical and projected data reflect the hospital input price index, which was recalibrated to a 2002 base year in 2005.

