229 unique tags, probably 14 corrupt ids (tag id / # activity):
48890248 2
488019590 1
736946518 1
971317344 1
1318030521 2
1443418638 3
1480275180 1
2112498003 1
2436427829 1
2670471739 1
3071551241 4
3332489078 2
3433308214 2
4161558357 1
How has tag id 666, BTW? :-)
267004 unique timestamps
37 stations