The graph shows the information that how much number of computer sold at V H Warehouse in the time period between 1999 and 2001.
The vertical axis Y shows the number of computer sold at V H Warehouse, while the horizontal axis X displays the years.
The year 1999 has highest number of computer selling of all types among the 2000 and 2001. All types of computer was at high demand in the 1999. But with the passage of time the use of the computer become low, because of the developed technology like cell phone, tablets, laptop, etc. So in that case the ratio of the computer in the year 2000 and 2001 decreased constantly.
So finally we can say that as the technology becoming advance the use of the computer becoming low. Computer is replaced by the portable devices. That is why 2001 has the lowest percentage of the computer sell.