diff --git a/RhSolutions.AddIn/Services/GuessReader.cs b/RhSolutions.AddIn/Services/GuessReader.cs
index 7d8b60d..6ad8d46 100644
--- a/RhSolutions.AddIn/Services/GuessReader.cs
+++ b/RhSolutions.AddIn/Services/GuessReader.cs
@@ -1,4 +1,5 @@
-using System.IO;
+using Microsoft.Office.Interop.Excel;
+using System.IO;
 
 namespace RhSolutions.Services;
 
@@ -14,10 +15,12 @@ public class GuessReader : IReader
 
     public Dictionary<Product, double> ReadProducts(Range range)
     {
+        _progressBar = new("Ищу колонку с артикулами...", range.Columns.Count);
         int? productColumnIndex = null;
 
         for (int column = 1; column < range.Columns.Count + 1; column++)
         {
+            _progressBar.Update();
             if (IsProductColumn(range.Columns[column]))
             {
                 productColumnIndex = column;
@@ -32,9 +35,11 @@ public class GuessReader : IReader
 
         int? amountColumnIndex = null;
         int currentIndex = productColumnIndex.Value + 1;
+        _progressBar = new("Ищу колонку с количеством...", range.Columns.Count);
 
         while (currentIndex > 0)
         {
+            _progressBar.Update();
             if (currentIndex > range.Columns.Count + 1)
             {
                 currentIndex = productColumnIndex.Value - 1;
@@ -144,23 +149,22 @@ public class GuessReader : IReader
     private Dictionary<Product, double> GetDictionaryFromColumns(Range productColumn, Range amountColumn)
     {
         Dictionary<Product, double> result = new();
-        _progressBar = new("Заполняю словарь значений...", productColumn.Rows.Count);
 
-        for (int row = 1; row < productColumn.Rows.Count + 1; row++)
+        var lastRowIndex = amountColumn.Worksheet
+            .Cells[amountColumn.Rows.Count, amountColumn.Column]
+            .End[XlDirection.xlUp].Row; 
+        _progressBar = new("Заполняю словарь значений...", lastRowIndex);
+
+        for (int row = 1; row < lastRowIndex + 1; row++)
         {
             _progressBar.Update();
             var amountCells = amountColumn.Value2;
             object currentAmountCell = productColumn.Rows.Count == 1 ? amountCells : amountCells[row, 1];
-
-            double? amountValue = currentAmountCell as double?;
-            if (amountValue == null)
-            {
-                continue;
-            }
-
             var productCells = productColumn.Value2;
             object currentProductCell = productColumn.Rows.Count == 1 ? productCells : productCells[row, 1];
-            if (currentProductCell == null)
+            double? amountValue = currentAmountCell as double?;
+
+            if (amountValue == null || amountValue == 0 || currentProductCell == null)
             {
                 continue;
             }