The line graph illustrate that the two shoe brand (BTrack and L-tron) got famous between 1990 to 2000.
In 1990 BTrack brand has a starting scored at nearly 100 points. After that it was majorly dropped at nearly 30 points and again rise and gone at same position in the year 1994. Eventually, in the year 1996 company got it higher points during this decade and goes at more than 105 points before declining at less than 50 points. Thenafter, brand again goes down and reached at same points which was at the starting year.
While, L-tron company was at less points around 30 points during initial year, after that it goes up and reached at 50 points within one year but brand goes at worst condition nearly at 0 points in 1994. Fortunately after that brand goes drastically upside and reached nearly to 100 points in 2000.
Overall, among this two brands BTron has got higher number of points but it remains same at the ending of the time period of ten years while L-tron rose drastically after 1994 and took nearly to the 100 points.