With how very very easy it is to level a blue mage(literally can get it from 1 to 60 in 30mins) , using the census data there is likely to give a largly inflated result. More accuarate data would be using the lucky bancho census data to view the number of people who have completed the morbol mount achievement or such content, which paints a very very different picture (i.e. significantly less participation than even ultimate raids)