Hong Kong Colonial Report 1909 | Gwulo: Old Hong Kong

Hong Kong Colonial Report 1909

i have a copy of this "Colonial Report" (https://digital.soas.ac.uk/LOAC000066/00103/1x), but couldn't find any website to describe who/why these reports were printed. would anyone know their purpose? 

this isn't the same as the "Blue Book", is it? scanned copies for other former british colonies can be found online as well

many thanks

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