The data goes up to 2018-06-03 and includes:

• Badges – 27M rows, 1GB data.
• Comments – 66M rows, 22GB
• PostHistory -106M rows, 174GB (new)
• Posts – 41M rows, 106GB
• Users – 9M rows, 1GB.
• Votes – 151M rows, 5GB.
• And a few smaller supporting tables: PostHistoryTypes, PostLinks, PostTypes, and Tags.