The given bar chart provides information about the percentages of food purchased through several methods across a particular town throughout the week, over the period from 2009 to 2013. The units are measured in percentages.
At first glance, it can be seen that the percentages of food purchased on Fridays, Saturdays within the time frame showed a constant upward trend, while Tuesdays, Sundays, and Thursdays experienced a fluctuating trend before declining. At the same time, Wednesday experienced a minor fluctuation, increasing at first and then declining to its initial level, whereas Monday showed a slight overall increase despite some fluctuations.
Initially, in 2009 the figure for Mondays stood at roughly 70%, and the figure increased to around 75% in 2011 , which dropped slightly to just 73% in 2013. Similarly, Thursday’s percentages started at almost 30% and the rate rose to about 70% before falling sharply at 40%. However, the amount of food bought on Fridays and Saturdays began at around 78% and 88% respectively, and although on both days the figure recorded a slight rise at almost 85%, 95%, and then grew further, reaching roughly 89% and 100%.
Meanwhile, the proportions for Tuesdays and Sundays made up almost 65% and 95% in 2009, and it improved to nearly 78% and 98% in 2011 before falling drastically to around 60% and 85%. On the other hand, food bought on Wednesdays rate were the same at 30% in both 2009 and 2013 years, showing a modest increase between at around 35% in 2011.