_id LEVEL   AREA   FOCUS_TYPE   YEAR   MONTH   MARKET_SEGMENT   FLIGHT_TYPE   FLIGHT_PHASE   NB_FLIGHTS   CO2_TONS   NOX_KG   SOX_KG   colspacer
LEVEL AREA FOCUS_TYPE YEAR MONTH MARKET_SEGMENT FLIGHT_TYPE FLIGHT_PHASE NB_FLIGHTS CO2_TONS NOX_KG SOX_KG