While Asia’s dollar bond market is off to a flying start in 2012, dim sum deals have so far been thin on the ground. According to Dealogic data, the total dim sum issuance year-to-date is equivalent to $1.1 billion, slightly up on the $801 million at this time last year — but still a far cry from the $16.9 billion seen in the dollar market this year, which is nearly double last year.