1. INE, 2015b. Cabo Verde, Anuário Estatístico 2015. Instituto Nacional de Estatística. Praia, Cabo Verde. 227p. Available at http://www.ine.cv/ anuarios/ Anuario_CV _2015.pdf (accessed 28 December 2015).
2. INE, 2015a. Estatísticas do Turismo 2014. Instituto Nacional de Estatística. Praia, Cabo Verde. 61p. Available at http:/ /www.ine.cv/ actualise/ publicacao/ files/ 677458121372015 Estat%C3% ADsticas%20do%20Turismo %20-%202014.pdf (accessed 28 December 2015).
3. Davenport J, Davenport JL. The impact of tourism and personal leisure transport on coastal environments: A review. Estuar Coast Shelf Sci 2006; 67 : 280-92.
4. PADI, 2017. Worldwide corporate statistics 2017. Available at https:// www.padi.com/ sites/ default/ files/ documents/ 2017%20PADI% 20WW% 20Statistics.pdf (accessed 10 November 2018).
5. PADI, 2011. Worldwide corporate statistics 2010. Available at http:// www.padi.com/ scuba/ uploadedFiles/ 2010% 20WW% 20Statistics.pdf (accessed 23 January 2012).