Complex sentence: Total purses at NCHA-approved shows now exceed $39 million annually, not including prize money distributed at Australian Cutting Horse Association, American Cutting Horse Association, single-breed shows, or European and Canadian events.
Split into simpler sentences: Total purses at NCHA-approved shows alone now exceed $39 million annually. Additional prize money is distributed at Australian Cutting Horse Association, American Cutting Horse Association, single-breed shows, European and Canadian events.