The table illustrates the number of mobile phones sold by five manufacturers between 2006 and 2012, measured in millions of units. Overall, Nokia remained the market leader for most of the period, while Samsung experienced substantial growth and became the best-selling brand by the end. In contrast, Ericsson and Motorola saw declining sales, whereas Apple recorded the most dramatic increase. Looking at the leading companies, Nokia’s sales rose from 345 million units in 2006 to a peak of 475 million in 2008 before falling to 335 million in 2012. By comparison, Samsung showed consistent growth throughout the period, increasing from 117 million to 396.5 million units and eventually overtaking Nokia. As for the remaining manufacturers, Motorola’s sales declined significantly from 210 million to just 28 million units. Ericsson followed a similar downward trend, dropping from 74 million to 28 million. Meanwhile, Apple entered the market later but grew rapidly, rising from only 2.3 million...