SQL Server 2017

By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
CREATE TABLE Abonos(
    IdAbono             int,
    IdCliente           int,
    IdClientesdeCliente int,
    IdGiro              int,
    IdUsuario           int,
    Fecha               datetime,
    Periodo             int,
    Concepto            varchar(100),
    FormaPago           varchar(100),
    Cargo               numeric(18,2),
    Abono               numeric(18,2),
    Mensaje             varchar(100)
);
INSERT INTO Abonos
VALUES
    (  1,  1,  1, 12,  1, '20190101', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 210000 , ''),
    (  2,  1,  1, 12,  1, '20190103', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 1000   , ''),
    (  3,  1,  1, 12,  1, '20190102', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 10000  , ''),
    (  4,  1,  1, 12,  1, '20190201', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 10000  , ''),
    (  5,  1,  1, 12,  1, '20190204', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 10000  , ''),
    (  6,  1,  1, 12,  1, '20190305', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 1000   , ''),
    (  7,  1,  1, 12,  1, '20190307', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 1000   , ''),
    (  8,  1,  1, 12,  1, '20190309', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 1000   , ''),
    (  9,  1,  1, 12,  1, '20190410', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 20000  , ''),
    ( 10,  1,  1, 12,  1, '20190417', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 20000  , ''),
    ( 11,  1,  1, 12,  1, '20190501', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 200000 , ''),
    ( 12,  1,  1, 12,  1, '20190503', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 20000  , ''),
    ( 13,  1,  1, 12,  1, '20200101', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 50000  , ''),
    ( 14,  1,  1, 12,  1, '20200101', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 50000  , ''),
    ( 15,  1,  1, 12,  1, '20190108', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 111    , ''),
    ( 16,  1,  1, 12,  1, '20190109', 0, 'ARRENDAMIENTO', 'CHEQUE', 0, 1111   , '');
16 rows affected

SELECT YEAR(Fecha) AS Año,DATENAME(MONTH,Fecha) AS Mes, SUM(Abono) AS Subtotal FROM Abonos
GROUP BY DATENAME(MONTH,Fecha),YEAR(Fecha)


Año
Mes
Subtotal


2019
April
40000.00

2019
February
20000.00

2019
January
222222.00

2019
March
3000.00

2019
May
220000.00

2020
January
100000.00
Año	Mes	Subtotal
2019	April	40000.00
2019	February	20000.00
2019	January	222222.00
2019	March	3000.00
2019	May	220000.00
2020	January	100000.00