There is a cool graphic site found at the World Travel and Tourism Council at this link, that illustrates the trends in visitor exports (foreign spending ) as a percentage of exports. The green circles have different shades of green to represent growth or decline of this spending. For example here is the one for the British Virgin Islands.
Islands of the World XII Conference 2012, “Globalisation: Islands Adapting To Change”, The Virgin Islands (British), 29 May – 1 June, 2012 was during the upswing?
Here is the key for the graphic.