press the link <
members> at the top right of this page
on the listing page click on the word <posts> at the top of the posts column to order by posts.
click a
second time on the word <posts> to put the most posts at the top of the list.
At the moment you should be at the top of the
second page.
Keep in mind that with some forum transfers some posts where lost so many pre 2013 members have actually posted a lot more than the stats claim. At the moment you seem to be on rank 30.