I remember the percent was higher when I joined, then dropped, then I noticed it was 0 as well.

Just did a quick search and found this post from last month with the same question https://steemit.com/steem/@sevinwilson/steem-dollars-currently-collecting-0-apr

I'm sure an answer is out there, I hope someone posts what it is here so I don't have to keep searching lol.