The depicted bar chart compares data regarding the proportion of recycling diverse household waste, including plastics, cans, papers, and glass in a specific region during three different years: 1992, 1997, and 2002.
Overall, while the highest rate of recycling was allocated to glass and paper, the lowest proportion in the four categories was dedicated to plastic. Besides, the last year was the most successful in recycling.
To begin with, glass was the most common material for reprocessing. From 17% in 1992, recycling of glass reached 28% in 1997, before peaking at 48% in 2002. Similarly, reusing consumed papers was at the second highest rate with 25% in 1992, reaching just above 30% in 1997, prior to soaring to 38% in 2002.
In contrast, recycling cans and plastics were at a lower level. Although the percentage of recycling cans was the same as for glass, it dropped to 12% in 1997. However, This number again increased to 24% in 2002. Likewise, reusing plastic waste was at its lowest point, starting at 10% and remaining unchanged at 11% in 1997 and 2002.