The bar charts illustrated that the proporation of computer ownership among people in 2002-10, and the comparison of computer ownership according to five various education level in 2002 and 2010.
Since 2002, the percent of people who harbor CP over 50% all the time. The number of people who have computer was constantly rising from 2002 to 2010. The figure of people owner CP in 2010 was approximately 70%, which was much more than the corresponding figure in 2002.
In addition, among the people who have different education level, the percentage in 2010 almost 20% more than that in 2002. Intriguringly, the computer owner without high school certificate in 2002 and 2010 account for around 15% and 40%, respectively, whereas among the people obtaining postgraduate qualification, the computer owner in this two years are about 70% and 90%, respectively.
Collectively, no matter when 2002 or 2010, the percent of computer ownership were increasing with the improvement of education level. 
The bar charts illustrated that the  
proporation
 of computer ownership among  
people
 in 2002-10, and the comparison of computer ownership according to five various education level in 2002 and 2010.
Since 2002, the percent of  
people
 who harbor CP over 50% all the time. The number of  
people
 who have computer was  
constantly
 rising from 2002 to 2010. The figure of  
people
 owner CP in 2010 was approximately 70%, which was much more than the corresponding figure in 2002. 
In addition
, among the  
people
 who have  
different
 education level, the percentage in 2010 almost 20% more than that in 2002.  
Intriguringly
, the computer owner without high school certificate in 2002 and 2010 account for around 15% and 40%,  
respectively
, whereas among the  
people
 obtaining postgraduate qualification, the computer owner in this two years are about 70% and 90%,  
respectively
. 
Collectively
, no matter when 2002 or 2010, the percent of computer ownership were increasing with the improvement of education level.