When did PenisBot include rel="nofollow" for listings?

[kit]

Yes, we decide to follow more PR to categories, where all listed sites have more stable listings (and outgoing PR). This is why we add "nofollow" to the index page. I don't want to lost all PR on the first page, splitting it with 50 random links per month, (1/3 of them is our paysites affiliate links). Better share more PR with categories.

I don't know how google will consider this experiment, may be they split PR by all links on the page and after just don't distribute it by "nofollow" links. In this case it doesn't metter, used "nofollow" or not. In both cases PR distributed to the categories will be the same, but I hope google drop links with "nofollow" before PR calculation and distribution.