= num messages
622.000	100.00%	weather/surface-based-observations
		622.000	100.00%	/synop
622.000	100.0%	(total)
= size
481.02k	100.00%	weather/surface-based-observations
		481.02k	100.00%	/synop
481.02k	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