Try:
SELECT Amount,
Month,
iif(Month=1,Amount,0) AS Month01,
iif(Month=2,Amount,0) AS Month02,
iif(Month=3,Amount,0) AS Month03,
iif(Month=4,Amount,0) AS Month04,
iif(Month=5,Amount,0) AS Month05,
iif(Month=6,Amount,0) AS Month06,
iif(Month=7,Amount,0) AS...