Estimates are adjusted for seasonal variation, but not for price changes. Total sales estimates are also adjusted for trading-day differences and moving holidays.
Last reported quarter 2018 Q3 it was $1,340.21 trillion, up by 5% year-over-year from $1,271.10 trillion. From $4,849.77 trillion in 2016 it increased by 5% to $5,081.03 trillion in 2017.
Source: The Census Bureau of the Department of Commerce.