Below is the Create table script, and insert
CREATE TABLE Rev
(
PrjDate Datetime,
PRJ_ID varchar(7),
AMOUNT decimal(26,2)
)
INSERT INTO Rev
SELECT '2012-01-31', '1', 1000
UNION ALL
SELECT '2012-02-29', '1', 1500
UNION ALL
SELECT '2012-04-30', '1', 1800
UNION ALL
SELECT '2012-07-31', '1', 1200
UNION ALL
SELECT '2012-01-31', '2', 500
UNION ALL
SELECT '2012-04-30', '2', 1000