TV Usage Trends: Q3 and Q4 2010- Timeshifted Viewing Grows in US
Overall timeshifting by U.S. TV audiences increased significantly in the third and fourth quarters of 2010, with the average American watching nearly 10 and a half hours of timeshifted TV at the end of the year. The biggest year-over-year increase was in the third quarter, when timeshifting increased 17.9% over the same period in 2009, compared to 13.4% in the fourth quarter.

Download Nielsen’s State of the Media: TV Usage Trends – Q3/Q4 2010
https://www.nielsen.com/us/en/insights/article/2011/tv-usage-trends-q3-and-q4-2010/