Product  Region  Sales
-------  ------  -----
P1       NY      10
P1       SG      15
P1       EU      20
P2       EU      12
P2       SG      13
P3       NY      14
P4       EU      11

EUR    NYC   SGP
    ---    ---   ---
P1  20     10    15
P2  12           13
P3         14
P4  11