The graph illustrates the data about a company’s product sales of 5 distinct types of jam between the year 2009 and the year 2014.
Overall, sales of these jams generally increased, with the only exception of the plum flavor. Strawberry jam consistently has the most sales throughout the whole period.
In 2009, there were approximately 3.5 million sales of strawberry jam. The strawberry flavor also experienced a massive grow in unit sales during 2010 and 2011, from nearly 4 million to about 6.5 million , which was also the biggest change over a year. The figure for this jam then rose gradually until the end of the period. Also displaying the same upward trend but at a more steady rate were the figure for raspberry and grape, started at 2.8 million and 1 million and ended at 5.2 million and 4.3 million, correspondingly.
While the three types of jam above undergone huge changes in its statistic, meanwhile, the remaining flavor experience a diffrent trend in numbers of sales. Cherry jam data for sales fluctuated moderately but at the end is still considered a slight increase, about 0.8 million sales more than in 2009. Plum were the only flavor that follow a downward trend throughout the whole period and even went nearly extinct in 2014.