Running value in T-sql

--// Table Variable Declaration
DECLARE @Table AS TABLE
(
    Account VARCHAR(25),
    Mnth    INT,
    Salary    MONEY
)

--// Data Insertion
INSERT INTO @Table(Account,Mnth,Salary)
VALUES    ('ABC123',201101,100),
        ('ABC123',201102,200),
        ('ABC123',201103,150),
        ('ABC123',201104,300),
        ('ABC123',201105,50),
        ('ABC123',201106,40),
        ('ABC123',201107,500),
        ('ABC123',201108,600),
        ('ZZZ555',201105,150),
        ('ZZZ555',201106,450),
        ('ZZZ555',201107,200),
        ('ZZZ555',201108,50),
        ('ZZZ555',201109,80),
        ('ZZZ555',201110,20)

       
--// Result with Running value of each account

SELECT * FROM @Table d1
OUTER APPLY
(
    SELECT    SUM(d2.Salary) RunningValue
    FROM    @Table d2
    WHERE d1.account = d2.Account
    AND d2.mnth <= d1.mnth
) t

Result:

Account	Mnth	Salary	RunningValue
ABC123	201101	100	100
ABC123	201102	200	300
ABC123	201103	150	450
ABC123	201104	300	750
ABC123	201105	50	800
ABC123	201106	40	840
ABC123	201107	500	1340
ABC123	201108	600	1940
ZZZ555	201105	150	150
ZZZ555	201106	450	600
ZZZ555	201107	200	800
ZZZ555	201108	50	850
ZZZ555	201109	80	930
ZZZ555	201110	20	950