A report filed by FierceMobileContent is filled with some pretty interesting statistics about the U.S. wireless market. According to the report, AT&T and Verizon Wireless raked in 75% of all mobile data revenue in Q2 of 2010 and account for 62% of the U.S. wireless customer base. Mobile data revenues grew 6% quarter-over-quarter (22% year-over-year) to $13.2 billion. The average U.S. wireless subscriber now consumes roughly 230 MB of data per month, up 50% year-over-year, with smartphones making up 31% of all U.S. mobile devices. Wireless data ARPU –average revenue per user — is now responsible for 31% of total operator APRU, a 4% increase quarter-over-quarter. We’re curious, what percentage of your mobile phone bill is for actual voice services? We’re around 40% for voice and 60% for data/other.