Page 2 of https://www.shs-conferences.org/articles/shsconf/pdf/2016/09/shsconf_shw2016_00006.pdf"..In the Netherlands 5% of GDP is made by sex industry (Daley, Suzanne, 2001).."
https://blogs.lse.ac.uk/gender/2019/10/24/what-you-want-to-see-is-what-you-get-realities-representations-and-reputations-of-sex-tourism-in-bangkok/
"..the sex industry contributes an estimated 10-12% to Thailand’s overall GDP..."
