Before revision:  According to the Euro-barometer , the percentage of EU citizens employing online social networks to access information, on a daily basis , has increased from 18\% in 2010 to 42\% in 2017.
After revision:  According to the Euro-barometer , the percentage of EU citizens employing online social networks on a daily basis , has increased from 18\% in 2010 to 42\% in 2017.