A newly published edition of a US Postal Service brochure highlighting postal facts has just been posted and available for download (in pdf format) at this link:
http://about.usps.com/who-we-are/po...acts2013.pdfWhile the entire document contains a number of interesting facts, I find page 9 particularly interesting to stamp collectors where it states (in part) that in 2012, $21.9 million of philatelic products were sold, up 20.5% from the previous year:
