The 2013 book is very good. Here's a breakdown of how the gambling coupons compare to previous years using the estimated value from LVA. Actual issues are linked if you want to read the specifics.
Year--------Total Value-----Any Idiot Value
2013----------$324-------------$198
2012----------$258-------------$141
2011----------$309-------------$173/$208 (including MRO value)
2010----------$188-------------$146
2009----------$260-------------$211
2008----------$269-------------$183
2007----------$136?------------$136
2006----------$128?------------$128
2005----------$94?--------------$94
Year--------Total Value-----Any Idiot Value