The length of the answer is just acceptable. There is a good atempt to describe the over all trends but the contentwouldhave been greatly improved ifthecandidate had included somereferenceto thefiguresgivenon thegraph. Withoutthese, thereaderislacking some importantinformation. The answer isquite difficultto followand there aresome punctuation errorsthatcause confusion. The structuresarefairlysimpleandeffortsto producemore complex sentencesarenotsuccessful.