Album download sales in Germany increased 51% by both volume and value in the first half of this year, compared to the first six months of 2009, according to figures released by the German association of the music industry (BVMI).

The BVMI said 4.7 million digital albums were sold in Germany from Jan. 1 to June 30, generating revenue of €41.5 million ($53.3 million). In the corresponding period for the previous year 3.1 million digital albums were sold, generating €27.5 million ($35.3 million).

Single track downloads for the first half of 2010 increased to 29.7 million units from 22.9 million units in the first six months of last year, a rise of 30%. The single track sales for the first half of 2010 generated revenue of €30.4 million ($39 million), an increase of 26% on the same period last year.

Last year a total of 7.6 million digital albums were sold in Germany and 49.2 million single track downloads were purchased in 2009, according to the BVMI.

The BVMI said there are now more than 40 digital music retailers in Germany. And the country's level of digital music consumers is increasing, with the trade body estimating this will surge from 5 million consumers at present to 15 million in 2013.