Reported revenue was adversely impacted by a difficult economic environment as well as by asset disposals ( which reduced growth by 3.5 % ) and the negative 1.4 % currency effect . - The slight 1.4 % like-for-like increase in Prepaid Services revenue ( down 3.6 % as reported ) , including operating revenue rise of 3.9 % like-for-like reflected its strong , sustainable growth fundamentals , in spite of the year 's exceptionally severe global crisis .