After hitting an all-time high in 2012, California’s dominance of the nation’s venture capital activity receded a bit last year. California continues to receive about half of the country’s venture investment dollars and about 40 percent of its dealflow, but in 2013, the state’s share of dollars fell from 53 to 50 percent, according to data from the PricewaterhouseCoopers/National Venture Capital Association (PwC/NVCA) Moneytree survey. Massachusetts, which has been host to about 10 percent of national venture activity in past years, also saw its share of total U.S.