A survey conducted by Travel Weekly in 2018 revealed that since 2009, revenue from international bookings has been higher than revenue from domestic bookings. Provide ONE possible reason for why international travel has provided more revenue than domestic travel in these last several years. Your answer does not need to be based on actual fact. The purpose is for you to evaluate what variables may impact the demand for international travel and/or demand for domestic travel and provide one possible explanation. INTERNATIONAL BOOKINGS CONTINUE TO DOMINATE Since about 2009, revenue from international bookings has outpaced revenue from domestic ones for travel agencies, to the point of completely reversing the ratio from what it was in 2003. 80% Domestic International 70% 62% 63% 60% 59% 59% 59% O 60%% O 57% 55% O 56% 55%% 55% 53%% 53% 53% O O 51% 51% 50% 47% 47% 47% 45%% O 45% 45% 43% 49% 49%% 44% 40% 41% 41% 41% 40% O 38%% 37% 30% 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018