During the period of time between 2007 (when the previous DDS was conducted) and 2012 (when we were awarded the contract for the project), there was a significant increase in the number of mobile phone subscriptions in .
В период между 2007 (когда был проведен ДДС) и 2012 годом (когда мы получили контракт) был замечен значительный рост в количестве подписок на мобильные телефоны в .