The pie charts illustrate the data about various types of waste disprosal in one country in two different years of 1960 and 2011.
Overall,waste disprosal experienced significant changes in different types over the period.Food replaced paper as a leading type.Besides,the percentage of plastic,textiles and other waste disporals increased considerably,while other remained the same statistics.
As for 1960,paper was by far the most popular type,accounting for 25%,closely followed by textiles with 17%.Food and other waste disprosals had a similar percentages with 12%.The amount of green waste composed 9%,making it slightly more than plastic and metal with 8%.It os worth mentioning that the lowest percentage of waste diprosal was wood and glass,accounting for 5% and a mere 4% respectively,with the share of waste disprosal by glass was approximately 2 times lower than the leader.
As regards 2011,food was the leader among other types of waste disprosal amounting for 21%.Plastic and paper,in the meantime,have remained strong choices,ranking second and third respectively,with the figures of 18% and 15%.The percentage of textiles experienced significant decrease accounting for 11%.Green wate and metal had a similar amounts with 9%,making it slightly more than the amount of wood with 8%.Glass and other waste disporsals was on the last place amounting for 5% and only 4%.