Ex 2:
The table illustrates the percentage of market share of computer manufacturers in 8 categories between 2006,2007 and 2014.
Overall,the proportion of market share in HP hit the highest point in all 3 years while that in fujitsu hit the lowest point in 2006,2007and 2014.Moreover,the total percentage of market share in 8 companies in 2006,20007 and 2014 is the same.
First of all,the percentage of market share in HP was at 31,4% in 2006,continued to increase to 34% in 2007 and was finally at 34,25% in 2014,similarly,that in dell started at 16,6% in 2006,climbed to 20,2% in 2007 and finished at 26,12% in 2014.Moreover,the proportion of market share in toshiba was at 6,2% in 2006,went up to 7,3 % in 2007 and was at 8,12% in 2014 and it tend to be lower than that in HP and dell in 3 periods.
On the other hand,the proportion of market share in samsung was at 11,6% in 2006,went down to 10,7% in 2007 but increased to 14,2% in 2014.Similar to that in Lenovo started at 6,6% in 2006,reduced to 6,2% in 2007 but had a slope to 7,1% in 2014 .Furthermore,the percentage of market share in fujitsu reached at 4,8% in 2006,was at 2,3% in 2007 and went up to 3,1% in 2014 and this tend to be lower than that in samsung and lenovo in all 3 periods.Finally,the proportion of others started at 22,8% in 2006,went down to 14,3% in 2007 and continued to reduce to 7,11% in 2014.