Barbados's international tourism, expenditures (current US$) was US$99 million in 2016, the latest year in the World Bank's World Development Indicators. That is down 40.36% from US$166 million in 2006 (5.04% a year on average, compounded).
Private Sector & Trade · Barbados
Barbados: International tourism, expenditures (current US$)
Yearly data from 1995 to 2016, from the World Bank.