Thirteen products were added to the Chinese database in December, two fewer than November's total, with an estimated sales volume of CNY4.55bn (US$667m), an average CNY350m (US$51m) per product. Once again, all of these were tranche products, with no continuous products as of yet. The total number of products striking in 2008 is 478, with estimated sales of CNY171.03bn (US$25.07bn). So far, there have been 929 tranche products collected from 21 major issuers, including local and foreign banks.