Each tmnxBsxHttpEnrichStatEntry contains statistics for HTTP
enrichment.
An index with a valid tmnxBsxAaGrpPartIndex/tmnxBsxHttpEnrichName (an
existing row in tmnxBsxHttpEnrichTable), tmnxChassisIndex set to one,
and a zero value for each of tmnxBsxCardSlotNum and tmnxMDASlotNum
will return the summarized per group and HTTP enrichment template
statistics.
Entries will appears in this table only for equipped ISA-AA MDAs
associated with an AA group and an HTTP enrichment template.