The chart illustrates the proportion of various types of recycled materials in one city between 1992 and 2002.
Overall, it is evident that the rate of recycling different wastes in 2002 exhibited the highest proportion. the rate of recyclig in all materials exhibited an increase, while this activity rate’s faced fluctuation in cans.
At the beginning of the period, just 10 percent of plastic recycled, which experienced a slight increase, reaching around 12 percent in the both years 1997 and 2002, respectively. Conversely, the proportion of recycled cans exhibited a decrease, dropping from approximately 18 percent in 1992 to 12 percent in 1997 before increasing to almost 22 percent in 2002.
In the year 1992, nearly 25 percent of papers recycled, which faced continuous growth, reaching 31 and 39 percent in 1997 and 2002, respectively. Similarly, the proportion of household waste recycled glasses increased considerabely, reaching 28 percent from around 17 percent in the year 1992. In 2002, its percentage grew and peacked at around 48 percent.