The provided line graph shows the average number of four different products between 2015 and 2020.
Overall, the figure for the cutlery kits was the most stable, while the one for ceramic cups was the most volatile. Moreover, the value for plates dropped from first place to 3rd on sales, while the other remains in the same order.
Starting below 900, the figure for cutlery kits witnessed a gradual growth throughout the period with the final value at around 1100. Turning to plastic cups, there was a significant decline through fluctuations to almost 0 at the end of the period and it held the bottom position.
In regards to the remaining two products, the figure for plates reached its summit of 1800 sales by 2017 before dipped under 1300 by the following year. At the same time, the figure for ceramic cups exhibited a similar pattern, reaching its high just above 900. After, it hit a trough below 400 by 2018 before bouncing back to its peak value by 2020. Lastly, after 2018, the figure for plates experienced a major decline to nearly 800.
