Revealed in the following bar graph is data about garbage pick up, consisted of 4 various categories by a recycling center throughout 4 years, from 2011 until 2015.Looking from an overall perspective, it is readily apparent that in the previous year the smallest fraction of collected trash was allocated to the garden waste, which was very similar in 2015.Moreover, the figure for all categories increased during the examined period.
Moving to a more detailed analysis, the amount of paper waste comprised 57 tons which experienced a steady decline over the 3 years from 57 to 41,while it went through inconsiderable increase for the remained period ended at 70 tons. The similar pattern was observed for the glass. In 2011 glass waste accounted for 48 tons with constant fluctuation around 50 tons for the rest time of the period.
The number of tin waste was similar to garden garbage at the beginning of the period, on the contrary these figures dropped to 27 and 15 tons respectively in 2012. From 2012 to 2015 both categories encountered similar patterns ranging between 30-40 tons