Seasonally adjusted transactions from BEA NIPA, Table 1.10, line 7, Taxes on production and imports. Beginning 2002:Q1, unadjusted transactions from BEA NIPA Table 8.2 Gross Domestic Income by Type of Income, Not Seasonally Adjusted, line 7, Taxes on production and imports. Seasonal factors are calculated as the seasonally adjusted transactions at an annual rate, divided by four, less the unadjusted quarterly transactions. Prior to 2002:Q1, unadjusted transactions are calculated as transactions at a seasonally adjusted annual rate divided by 4. Series has no levels.
Last edited on: 08/29/2018