The line chart illustrates the numbers of five different types of jam which was sold over a 5-year period, from 2009 to 2014.
Overall, while the unit sales of most types of jam witnessed an upward trend throughout this period, except for plum jam, which declined. Additionally, strawberry jam accounted for the highest figure in this period.
Regarding increasing categories, strawberry jam remained the most common type throughout this period, around 3 million units of this type were sold in 2009. Afterwards, it increased considerably and reached its peak at precisely 7 million in 2014. Additionally, this was followed by grape and raspberry types. Although in the first year, the unit sales of the former only stood at roughly 0,5 million and that of the latter was around 2,8 million, both of them experienced a significant growth, finishing at approximately 3,5 and 4,5 million, respectively.
Concerning the remaining categories, this period observed a remarkable drop in plum jam, compared to the fluctuation in cherry one. In 2009, plum jam accounted for the third largest unit sales before hitting a low of roughly 0 million units in the last year. Furthermore, consumers purchased about 1,9 million units of cherry jam in 2009. Subsequently, it saw a fluctuation around 2 million over the first two years, prior to rising at roughly 3 million by 2014.