TO GO WITH: China-economy-growth,ANALYSIS by Fran WangThis picture taken on March 11, 2014 shows an excavator moving coal onto a truck at a port in Yichang, central China's Hubei province.  China could miss its official growth target for the first time in 16 years, a snap poll of economists by AFP has showed after surprisingly weak data for January and February.   CHINA OUT     AFP PHOTO (Photo by CN-STR / AFP via Getty Images)