diff --git a/OpenCand.API/Services/EstatisticaService.cs b/OpenCand.API/Services/EstatisticaService.cs
index a12055d..98b00db 100644
--- a/OpenCand.API/Services/EstatisticaService.cs
+++ b/OpenCand.API/Services/EstatisticaService.cs
@@ -94,7 +94,7 @@ namespace OpenCand.API.Services
             {
                 return groupBy.ToLower() switch
                 {
-                    "candidato" => "SELECT src.idcandidato, c.nome, src.ano, SUM(src.valor) as valor",
+                    "candidato" => "SELECT src.idcandidato, cm.nome, src.ano, SUM(src.valor) as valor",
                     "partido" => "SELECT cm.sgpartido, src.ano, SUM(src.valor) as valor",
                     "uf" => "SELECT cm.siglauf, src.ano, SUM(src.valor) as valor",
                     "cargo" => "SELECT cm.cargo, src.ano, SUM(src.valor) as valor",
@@ -117,8 +117,8 @@ namespace OpenCand.API.Services
             {
                 return groupBy.ToLower() switch
                 {
-                    "candidato" => "JOIN candidato c ON src.idcandidato = c.idcandidato JOIN candidato_mapping cm ON src.idcandidato = cm.idcandidato AND src.ano = cm.ano AND cm.turno = '1'",
-                    "partido" or "uf" or "cargo" => "JOIN candidato_mapping cm ON src.idcandidato = cm.idcandidato AND src.ano = cm.ano AND cm.turno = '1'",
+                    "candidato" => "JOIN mv_candidato_mapping_analytics cm ON src.idcandidato = cm.idcandidato AND src.ano = cm.ano",
+                    "partido" or "uf" or "cargo" => "JOIN mv_candidato_mapping_analytics cm ON src.idcandidato = cm.idcandidato AND src.ano = cm.ano",
                     _ => throw new ArgumentException("Invalid group by specified.")
                 };
             }
@@ -147,7 +147,7 @@ namespace OpenCand.API.Services
                 if (filter.Ano.HasValue)
                 {
                     var paramName = $"ano{++_paramCounter}";
-                    conditions.Add($"src.ano = @{paramName}");
+                    conditions.Add($"cm.ano = @{paramName}");
                     _parameters[paramName] = filter.Ano.Value;
                 }
 
@@ -165,7 +165,7 @@ namespace OpenCand.API.Services
             {
                 return groupBy.ToLower() switch
                 {
-                    "candidato" => "GROUP BY src.idcandidato, c.nome, src.ano",
+                    "candidato" => "GROUP BY src.idcandidato, cm.nome, src.ano",
                     "partido" => "GROUP BY cm.sgpartido, src.ano",
                     "uf" => "GROUP BY cm.siglauf, src.ano",
                     "cargo" => "GROUP BY cm.cargo, src.ano",
diff --git a/db/mv.sql b/db/mv.sql
index 0a6c512..fb48c75 100644
--- a/db/mv.sql
+++ b/db/mv.sql
@@ -67,3 +67,26 @@ GROUP BY
     siglauf,
     cargo;
 CREATE INDEX idx_mv_receitas_candidato ON mv_receitas_candidato (ano, idcandidato, siglauf, sgpartido, cargo);
+
+---
+--- View for candidate mapping summary
+CREATE MATERIALIZED VIEW mv_candidato_mapping_analytics AS
+SELECT DISTINCT cm.idcandidato, c.nome, cm.ano, cm.turno, cm.sgpartido, cm.siglauf, cm.cargo
+FROM candidato_mapping cm
+JOIN candidato c ON cm.idcandidato = c.idcandidato
+WHERE cm.turno = '1';
+
+CREATE INDEX idx_mv_candidato_mapping_analytics ON mv_candidato_mapping_analytics (idcandidato, ano);
+
+
+-- Refresh the materialized views to ensure they are up-to-date
+REFRESH MATERIALIZED VIEW mv_bem_candidato;
+REFRESH MATERIALIZED VIEW mv_despesas_candidato;
+REFRESH MATERIALIZED VIEW mv_receitas_candidato;
+REFRESH MATERIALIZED VIEW mv_candidato_mapping_analytics;
+
+-- Force re-analyze the materialized views to update statistics
+ANALYZE mv_bem_candidato;
+ANALYZE mv_despesas_candidato;
+ANALYZE mv_receitas_candidato;
+ANALYZE mv_candidato_mapping_analytics;
\ No newline at end of file