Get Latest record from a Varchar field with DateTime stored in SQL Server

Hi....

i am having a table in which 2 values are being stored 

month                total

jan 2014          2000

jan 2014          30000

jan 2014          50000

feb 2014          20000

feb 2014          50000

mar 2014         20000

mar 2014         40000

i want to extract particular month total from the table but the last total of particular month how can i extract?

plz help me......