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APPENDIX 1. TABLES RELATING TO THE WORLD OF AIR TRANSPORT IN 2015
The statistical data for 2015 appearing in this Report are to be considered as preliminary: experience shows that the margin of error for world totals is probably less than 2 per cent, except in the case of financial data where it may be considerably higher. Unless otherwise noted:
a) all statistical data are applicable to ICAO Member States;
b) traffic statistics are for revenue scheduled services;
c) the expression "tonne-kilometre" means metric tonne-kilometre;
d) total airline financial statistics relate to scheduled as well as non-scheduled services of scheduled airlines.