Nielsen Online today released its rankings of U.S. search share for November. Overall search increased 9.6 percent year over year to 8.1 billion searches. Google had year over year growth of 21.7 percent and received 64.1 percent of searches. Google’s percentage of searches was it’s highest reported by Nielsen Online, surpassing it previous high in April of this year when it received 62.0 percent. Yahoo had a year over year decrease of 1.4 percent and received 16.1 percent of searches. Microsoft had a year over year decrease of 16.7 percent and received 9.1 percent of searches.