= num messages
500.000	71.53%	weather/experimental
199.000	28.47%	weather/surface-based-observations
		199.000	28.47%	/synop
699.000	100.0%	(total)
= size
 50.22M	99.47%	weather/experimental
266.66k	 0.53%	weather/surface-based-observations
		266.66k	 0.53%	/synop
 50.49M	100.0%	(total)
= n topics for centreid
ca-eccc-msc-global-discovery-catalogue	1
io-wis2dev-11-test	1
io-wis2dev-12-test	1
io-wis2dev-13-test	1
io-wis2dev-14-test	1
io-wis2dev-15-test	1
my-metmalaysia	1
= n topics for category
weather/experimental	5
weather/surface-based-observations/synop	1