244.
   ProdID       Country                Price
----------- -------------------- ---------------------
    1          South Africa            12.34
    2          South Africa            12.34
    3             NULL                 12.35
    4            Brazil                13.43
    5            China                 14.21
    6          United States           12.00
    7          United States           23.20
    8            England               12.34
    9             NULL                 12.99

select count(all country) from products?

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