The chart illustrates the change in global sales of three products ( Games
software, DVD/Video and CDs) over the years 2001 to 2001, the units are measure
in billions Overall the most sold were CDs over the years 2000 to 2003, in
contrast the least sold were Games software, over these years Games software and
DVD/video increased their sales , however, CDs decreased slightly. It’s clear
that CDs were the highest during the years 2000 to 2003, from the beginning with
just over 32 billions, in contrast the lowest sells were games software with
approximatly 15 billions in 2000, then DVD/video and Games software increased
over the years, on the other hand CDs had a sligh decrease their sales from 2000
to 2002, to 2000 it was approximately 32 billions but then in 2001 decrease 1 or
2 billions, the next year (2002) CDs showed the same drop, and then this product
remained stable between 2002 and 2003. Games software had an rise of just under
5 billions, in contrast DVD/video showed a dramatic increase for about 10
billions between 2000 to 2003.
Generally this is pretty good. Before I comment in detail, think about whether you can draw the chart from the information given. I think you are missing two numbers you should include.