In the referenced newsletter, SWIFT have highlighted a few facts and figures.
MT798 - 20+ banks are live on the MT798 together with 10+ corporates.
BPO - 18 of the top 20 trade banks are adopting the BPO, with half of them live or ready for live transactions; 146 banks are connected to the Trade Service Utility (TSU) representing 83 banking groups; 25 corporates are live on BPO, mainly in Asia Pacific region.