:Well the daily figures were unsourced anyway, and I don't think there's any possible source for a lot of them! The data are quite trivial, especially when you think about comparing them to other countries' weekly charts. Oricon doesn't collate its daily, monthly or yearly (under the top 100) figures on its subscription website, so we can't use a general Oricon database subscription either. 
 :Good idea! I footnoted them so we wouldn't need asterisks.