 Approximately 3 million carats worth of diamonds were exported in the US in 2003, leading, raising a concern on the accuracy and legitimacy of reports of Census reported to the KPCS.Irregularities in the data reported through Census in 2003, are not the first of its occurrence.For example, in 2000 Belgium reported exporting $355 million worth of diamonds to the US, the United States however, only reported importing about $192 million.