Los Angeles County was home to 368,580 high-tech jobs in 2013, more than other regions that boast strong high-tech sectors, according to figures released Monday by Mayor Eric Garcetti and local economists. The Los Angeles area had more high-tech jobs than Boston-Cambridge, New York City and Santa Clara County, according to the Los Angeles Economic Development Center's "High Tech in L.A." report funded by JPMorgan Chase & Co.