By Vienna Ma CANBERRA, June 10 (Xinhua) -- Australia\'s latest job figures showing a drop in the unemployment rate to 5.2 percent was evidence of a strengthening economy that successfully avoided a recession, Australian federal Treasurer Wayne Swan said on Thursday. The unemployment rate fell to 5.2 percent in May, returning to a level seen last in January, as 36,400 workers gained full-time employment, new data released by the Australian Bureau of Statistics showed on Thursday. ...