The line represents the number of fatal accidents per million departures and the bar represents the total number of departures. Despite the increase in traffic, we can see the decreasin in the number of fatal accidents over the years
The top red part represents the number of fatal accidents where as the total length represents the total accidents. Can be used to figure out which country, in the last 5 years had most accidents and how many of them were fatal. USA has been left out of this despite having the most accidents(129)
We relate the number of airplanes caused by a particular cause with the phase of the flight.