= num messages
  2.03k	88.43%	weather/experimental
266.000	11.57%	weather/surface-based-observations
		266.000	11.57%	/synop
  2.30k	100.0%	(total)
= size
172.14M	99.89%	weather/experimental
189.77k	 0.11%	weather/surface-based-observations
		189.77k	 0.11%	/synop
172.33M	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	2
mz-inam	1
= n topics for category
weather/experimental	5
weather/surface-based-observations/synop	2