Source: U.S. Census Bureau
Release: Number of Exporters and Known Value for All Countries on a State-by-State Basis
This data series illustrates the movement of exports from the given state to the given country. A missing observation can mean two things. First, missing observations can appear because no exports were made to the listed country that year. Secondly, it could signify a low number of exporters thus giving away proprietary data away.
U.S. Census Bureau, Number of Identified Exporters to Democratic People's Republic of Korea from Pennsylvania [PAPRKA475SCEN], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/PAPRKA475SCEN, September 26, 2022.