The line graph shows the percentage of staff trained by four different companies from 2003 to 2006.
Overall, it is clear that company D showed upward trend, while company A experienced decline. Additionally, Company C remained higher figure throughout the period, company B remained the same.
In one-year period from 2003 to 2004 company D have declined steadily, falling from 20% to 17.5%. On the other hand, company C rosed rapidly from 25% to 36% and has shown the biggest percentage During this period of time company B and A rose sligtly by on 1-2% on average.
In the period from 2004 to 2005 companies A,B and C experienced slight decrease, while company D rose sharply By 15% and taking top place. In the period from 2005 to 2006 all companies have showed positive trend, each growed by 2-3%. By the end of the line graph company C showed the biggest percentage while conpany A showed the lowest.
