Only limited data were available to apply the above methodology. A confidential document to Cabinet contains information on monthly visits at seven airports from January 1994 to September 1997. While the seven airports would account for most of the visits to Indonesia, it is not clear what is meant by a "visit". The intent of the traveller is not recorded, and many visits may be for business rather than for tourism. Even if the numbers refer to "tourism" ticked on the entry cards, many visitors state that the purpose of their visit is tourism, to avoid possible complications associated with "business" visits.