A traditional study is carried out by collecting and analyzing empty cigarette packs in major cities in the country.
Data for the third quarter of last year show that the share of illegal cigarette consumption is just over 5%, reported the Bulgarian National Television.
Then most cigarettes without banderol were found in Pernik, Vidin and Haskovo.
A 36-year-old man was arrested on Wednesday after port authorities in Patra found more than 1.8 million illicit cigarettes stashed inside a purposely-built cache of his truck.
According to the coast guard, port authority teams searching vehicles for drugs discovered packs of cigarettes hidden inside large metallic cylinders that were attached on nine large pallets.
The growth in sales of electronic cigarettes in Greece has been curbed by the imposition of a tax on vapor products that comes to 0.10 euros per milliliter.
According to data compiled by leading Greek e-cigarette company Nobacco, the tax imposed on January 1, 2017 put a brake on the growth of the local market and pushed consumers toward contraband goods.