Client Name,Location,Month,Value
Client A,USA,2019-01-01 00:00:00.000,20
Client B,Mexico,2019-01-01 00:00:00.000,70
Client C,Japan,2019-01-01 00:00:00.000,200
Client A,USA,2021-01-01 00:00:00.000,[MISSING]
Client B,Mexico,2021-01-01 00:00:00.000,120
Client C,Japan,2021-01-01 00:00:00.000,205
Client A,USA,2021-05-01 00:00:00.000,10
Client B,Mexico,2021-05-01 00:00:00.000,150
Client C,Japan,2021-05-01 00:00:00.000,210