Print San Diego County’s jobless rate dropped in March to 6.9 percent, nearly its lowest since the pandemic began, state labor officials reported Friday. Employment gains were led by the leisure and hospitality sector, which benefited from curtailed state-mandated restrictions aimed at stopping the spread of COVID-19. The last time San Diego County’s jobless rate was lower was in November, when it dipped to 6.8 percent, according to data from the state Employment Development Department. That was right before the state imposed tighter restrictions to battle a surge in the virus over the holidays. The jobless rate hit 15.9 percent, its highest point, during the pandemic last April, based on revised figures