The pie charts compare the proportion of transports sold derived from three choices including cars, trucks and SUVs in Someland over three distinct periods: 1990, 2000 and 2010.
In general, the rate of sales generated from travel by SUVs increased, while the reverse was true for the contribution of trucks and cars. Additionally, the figure for cars that always led the market in all three years.
In 1990, the percentage of cars sold in Someland was the largest, reaching a peak of 79%. Subsequently, there was a significant decrease in transportation by private vehicles to 54% in the next decade and rising again by 4% in 2010, this rate still was greater than the other two types. In contrast, only 6% was contributed by selling the transports of SUVs in 1990; however, it surged dramatically by five times to 30% in 10 years later. Continually, this proportion had a slight decline at about 28% in this market.
Moreover, the sales of lorries experienced a modest fluctuation over three periods in Someland, their sales stood at 15% in 1990, peaked at 16% in 2000 and declined slightly at 15% in 2010.