ots_commodities         OTS Commodities
ots_commodities_short   OTS Commodities Short
ots_commodity_code      String matching of official commodity/section
                        names and Harmonized System (HS) codes
                        according to the United Nations nomenclature
ots_countries           OTS Countries
ots_country_code        String matching of official country names and
                        ISO-3 codes according to the United Nations
                        nomenclature
ots_create_tidy_data    Downloads and processes the data from the API
                        to return a human-readable tibble
ots_gdp_deflator        GDP Deflator
ots_gdp_deflator_adjustment
                        Expresses tidy data from the API in dollars of
                        a reference year
ots_tables              OTS Tables
