The bar chart illustrated proportions of household waste-glass,paper,cans,plastic recycled in a single city from 1992 to 2002.
Looking from overall perspective,it’s clear that in glass is most recycled material each year and plastic is least recycled material,while cans are recovered by the end of the period.
In 1992,glass the figure was approximately 15 percentage recycled after five years it rise to almost 28 percentage by the end of the period it rise sharply from 28 to about 48 percent.Paper initially it’s same with glass 15 % and following years it increase to just over 30 % also last year in 2002 the figure was approximately 47 %.
Cans and plastic in 1992 cans was most recycled among four materials almost 18%, while 1997 it decline to 13%.In 2002 it recovered almost 23 % recycled.Now plastic beginning of the period it figured 10% recycled and 1997 it increase a bit from 10 to approximately 13 % last year it’s similar proportion with 1997 13%.
