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 2019 Q1 it was $127.27 billion, up by 12% year-over-year from $113.24 billion. From $450.66 billion in 2017 it increased by 14% to $513.68 billion in 2018.
Source: The Census Bureau of the Department of Commerce.