Activity was heavy in 2013 edition of Volume 5 with almost 14,000 value changes recorded. The country with the most value changes was St. Vincent, with 1,692. A handful of classic-era issues show modest gains. Other Volume 5 countries with large numbers of value changes include: Niue (1,316), Nevis (1,016), Nepal (968), Niger (829), Penrhyn Island (819) and Qatar (794).
More than 1,200 mint, never-hinged and used values were added to the listings for St. Thomas & Prince Island. For Scott Nos. 423-1360, values are now provided for each stamp in a given set.