Annual civil aviation financial statistics (total, operating revenue for scheduled and charter services both separately and combined, passenger revenue and goods revenue for both scheduled and charter services, all other flight - related revenue, all other revenue, total, operating expenses, maintenance, ground property and equipment, aircraft operations, maintenance, flight equipment, depreciation, all other expenses, net income (loss), operating income (loss), net, non-operating income (loss), net, interest and discount income, interest expenses, all other non-operating income (loss), net, provision for income taxes, and income (loss) before provision for income taxes). Data are for Canadian air carriers, Levels I and II combined, Level III, and Levels I to III combined. All data are expressed in thousands of dollars.