The provided table illustrates the average monthly usage of five different mobile phone brands in a European country over a decade, from 2010 to 2020.
Overall, Brand A consistently recorded the highest consumption throughout the period, while Brand E always had the lowest figures. All brands generally showed an upward trend in consumption, although there were some fluctuations.
Brand A began with 120 units per 1,000 people in 2010, steadily rising to 180 units by 2020, making it the most popular choice. Brand C also saw a continuous increase, starting at 70 units and reaching 100 units by the end of the period, demonstrating steady growth.
In contrast, Brand B started higher than Brand C at 95 units, peaked at 120 units in 2016, but then slightly declined to 112 units by 2020. Brand D's consumption increased from 55 units to 72 units, with a minor dip in 2014. Brand E remained the least consumed, though it did grow from 35 units in 2010 to 64 units in 2020.