The graph provides the data on the amount of money people of three different types of wealth state spent on fuel in the USA and UK.
Generally speaking, the USA line goes down from poorest people to the richest, whereas the line of the UK climbs vice versa.
It is obscured that the poorest started at the point of approximately 4% and 0.5% of incomes in the USA and UK, respectively. Thereafter, the USA line increased dramatically to the highest point of barely 5%. On the contrary, the UK line went up slightly to the broad between the poorest and people of middle-income with about 3.5%. Consequently, the amount of money spent be the Americans on fuel deceased softly, facing its lowest point of 2.5% of income of the richest. Nevertheless, the statistics of the UK remained untouched, going all the way up till the broad with the richest with 3.5%. There, the line stabilized at the point of 3.5% for some time. After that, there was a tiny decrease to 2.5% of incomes of the richest.