(select MD=IsNull(Sum(MD.TotalDoc),0) from MovCliente as MD where MD.Codigo=MovCliente.Codigo and MD.Data<=MovCliente.Data and (MD.Afecta='D+' or MD.Afecta='C-') and MD.Ano>=(select AnoCalculo from paramgeral) )   
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(select MD=IsNull(Sum(MD.TotalDoc),0) from MovCliente as MD where MD.Codigo=MovCliente.Codigo and MD.Data<=MovCliente.Data and (MD.Afecta='D-' or MD.Afecta='C+') and MD.Ano>=(select AnoCalculo from paramgeral) )