Online video viewing is up by all metrics, according to The Nielsen Co.’s July 2009 “VideoCensus.”

The measurement firm recorded a 14.2% year-over-year increase in unique viewers to nearly 136 million. Total streams climbed 31.4% to more than 11.2 billion and average streams per viewer were up to 82.4, a 15.1% gain. Viewers spent an average of about 3.5 hours watching online video in July, a jump of 42.2% over the prior year.

via eMarketer