I remember having 915 in my TBR submission list on the 8th of Jan 2003, capturing almost 300 in one day. Those are the days.
When TBR was run every day, there were only 200-400 domains. Afterwards, when CIRA started running it every Wednesday, it was 6K+ weekly on average. Now its 10K+.
I remember those drops
@rlm has mentioned above. Crazy TBR drops indeed.