Ups, my mistake. Here is you table in csv format

index, timestamp, agg_rev, k
0,2010-03-23,64,2
1,2011-03-11,52,2
2,2012-04-02,77,3
3,20130320,120,4
4,2014/04/01,60,3
5,2015-02-28,61,2
6,2016-03-09,72,2
spam lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor creativity violence