= num messages
559.000	100.00%	weather/surface-based-observations
		559.000	100.00%	/synop
559.000	100.0%	(total)
= size
466.73k	100.00%	weather/surface-based-observations
		466.73k	100.00%	/synop
466.73k	100.0%	(total)
= n topics for centreid
ca-eccc-msc-global-discovery-catalogue	1
my-metmalaysia	1
mz-inam	1
= n topics for category
weather/surface-based-observations/synop	2