An increase has been noted in the United States. According to the data collected, 5,000 cell phone searches were conducted in 2015 as compared to 25,000 searches in 2016. That is an increase of over 500% from 2015 to 2016. Moreover, according to reliable figures for 2017, there were 5,000 searches in just one month, in February 2017. So there has been an increase.
On September 18th, 2017. See this statement in context.