(Telecompaper) The decline in mobile service revenues in the Netherlands accelerated to 9.0 percent on an annual basis in the first quarter of 2014, as the market suffers from the weak economy, regulatory effects and the sharp drop in SMS use. According to Telecompaper's quarterly mobile market monitor, mobile service revenues were down 3.4 percent compared to the fourth quarter of 2013, to a total EUR 1.25 billion. While Q1 is seasonally weak, the annual drop in service revenue accelerated to 9.0 percent from 5.8 percent a year ago, amid a continued fall in voice revenue and a double-digit drop in SMS revenue. While data services are still growing, the fall-off in SMS in favour of IP applications meant non-voice service revenue grew only 2.3 percent year-on-year in Q1. As voice revenue declines, the share of non-voice in total service revenue rose to 44.8 percent in the quarter. Among the three mobile operators, mainly T-Mobile but also Vodafone increased their shares of the market's service revenues in Q1, as KPN lost the most revenues both on an annual and quarterly basis. T-Mobile increased its market share annually by 2.1 percent points, and Vodafone added 0.4 percent, while KPN lost 2.5 percent points.