How does one interpret the usda wholesale market price reports? For example: http://www.ams.usda.gov/mnreports/nx_fv010.txt

The data for mangos is :
MANGOES:  MARKET STEADY.  flats 1 layer HT Francis (Francine) 9s 11.00 10s
12.00 12s 10.00-12.00 MX Keitt 7s 5.00-6.00 few 6.50 8s 5.00-6.00 few 6.50-7.00
9s 5.00-6.00 few 6.50 10s 5.00-6.00 few 6.50 12s 5.00 occas higher Kent 6s
6.00-7.00 fr appear 4.50 7s 5.00-6.00 8s 5.00-6.00 9s 5.00-6.00 10s 5.00-5.50
few 4.00 12s 5.00 Ataulfo 18s 12.00 25 lb cartons DR Banilejos 36.00           

What exactly do these numbers mean?
MANGOES: MARKET STEADY. flats 1 layer [[cargo type]] HT [[Haitii]] Francis [[variety]] 9s [[9 fruits in 1 layer flat]] 11.00 [[price for 9 fruits]] 10s [[10 fruits in 1 layer flat]] 12.00 [[price for 10 fruits]] MX [[Mexico]] Keitt [[Variety]] 7s [[count]] 5.00-6.00 [[price]] few 6.50 [[a few at a different price]] ...etc... 25 lb cartons [[cargo type]] DR [[dominican republic]] Banilejos [[variety]] 36.00 [[price]]