The following is a description available on INE website
Turnover (€) of establishments by Geographic localization (NUTS - 2013) and Economic activity (CAE Rev. 3); Annual - Statistics Portugal, Integrated business accounts system
Note(s):
(1) From January 1, 2015 came into force a new version of NUTS (NUTS 2013). At NUTS II level was just a name change in "Lisboa" which became known as "Área Metropolitana de Lisboa".
(2) The scope of economic activity includes all enterprises from sections A to S of NACE-Rev.2, with the exception of Financial and Insurance Activities (section K) and Public Administration and Defense; Compulsory Social Security (section O).