The graph below illustrates the number of customers in four different restaurants (Burger Bar, Chicken Spot, Pizza Hut, Donut Bro) during a twenty five-year period, from 1990 to 2015.
Overall, regarding the line grap, it can be seen that Burger Bar and Donut Bro increased significantly. In contrast, Pizza Hut and Chicken Spot showed a considerable decline.
At the beginning of the period, the least famous restaurant was Burger Bar. It had around 1,000 customers and remained the same between 1990 and 1995. In following years, the numbers rose to 3,000 (in 2005). Afterwards, it increased gradually by over 500 customers. In addition, the restaurant named Donut Bro had approximately 2,100 customers in 1990. In 2005, the numbers showed a steady growth to 6,000. In following period, it climbed to 8,000 customers and showed the highest number of customers compared to other restaurants.
Consuming the Pizza Hut, despite it was the most popular restaurant in 1990 (8,000 customers), its customers declined over the period. The numbers decreased to 6,000 between 1990 and 2005, and showed a slight increase about 100 customers in 2010. However, it dropped again, at the end of the period. Also, Chicken Spot had 6,000 clients in 1990 and decreased marginally by 100 customers in 1995. Afterwards, before showing a dramatic drop at the end of the period, it hit the highest point 7,000, in 2000.