I think there is something seriously wrong with their ranking, Delphi was 12 in 2016 and it increased its ranking to 9 in 2017? They kidding us. There is no be

I think there is something seriously wrong with their ranking, Delphi was 12 in 2016 and it increased its ranking to 9 in 2017? They kidding us. There is no better answer I think. Is there?