Before the year 2003 the largest number of people visiting the National Park System were residents of the country. However this trend has changed since then. During 2012 a total of 1,613,129 visitors were received, 52.7% for non-residents.

The number of tourists visiting the country has increased. In 2000 this figure was 1,088,075, for 2013 it reached 2,427,941 visitors.