For some countries number of arrivals is limited to arrivals by air and for others to arrivals staying in hotels.
Earlier editions of The World Factbook referred to this concept as Investment gross fixed and that data now have been moved to this new field.
Unfortunately for Nepal, he puts nearly all his substantial-rights eggs in the structural-error basket.
My limited experience in both the USA and Nepal lead me to some personal observations I want to share to help others understand both places.