According to the data provided by the Gartner research company, the volume of personal computer sales has grown by 5.2 per cent last year at global level thanks to the rising demand registered in all regions in Q4, Mediafax informs. America’s Hewlett-Packard Group was the market leader. Thus, in 2009 a number of 306 million PCs were sold worldwide. HP was the world’s number one seller with 58.947 million units sold, up by 11.3 per cent compared to 2008, and a market share rising from 18.2 per cent in 2008 to 19.3 per cent in 2009. Last year, Taiwan’s Acer Company climbed for the first time on second place in the table of PC producers, surpassing America’s Dell. Overall, Acer sold 39.897 million computers, up by 29.4 per cent, representing a market share of 13 per cent. Meanwhile, Dell sold 37.355 million units, down by 9.1 per cent compared to 2008. The company’s market share dropped to 12.4 per cent in 2009 from 14.1 per cent the year before. Gartner underlines that HP, Acer or Toshiba have benefited from strong demand from individual buyers, while Dell is more active on the corporate sector. In Q4 the sales climbed by slightly more than 22 per cent compared to the same period in 2008, registering positive developments in the US, in the Asia-Pacific region, Europe, the Middle East and Africa.