Stock of passenger electric air transportation operations Unit of measure: person_km Values¶ Value Region Scaling Period Comment Reference 0 Global PER_CAPITA 2019-01-01 Initialized to zero. 0 FR PER_CAPITA 2019-01-01 Initialized to zero. 0 US PER_CAPITA 2019-01-01 Initialized to zero. - NL - - See NL data playbook: Aviation