Estimates are unajusted for seasonal variation, or for price changes. Total sales estimates are also unajusted for trading-day differences and moving holidays.
Last reported quarter 2018 Q3 it was $1,332.07 trillion, up by 5% year-over-year from $1,270.35 trillion. From $4,862.85 trillion in 2016 it increased by 4% to $5,076.54 trillion in 2017.
Source: The Census Bureau of the Department of Commerce.