The exchange rate of the National Currency to 1 USD in January, 2007 increased by 0,13% - from 0,8714 AZN to 0,8703 AZN per 1 USD, a source in the Baku Stock Exchange (BSEX) informed Trend. As a result of it, in January, 2007, the weighted average rate of AZN to USD reached 0,8711 AZN per 1 USD, while to the end of December, 2006 it was equal 0,8716 AZN per 1 USD. In general, over the past year, the exchange rate of the National Currency to USD increased by 4.86%.