Count Symbols

/* Write a program that reads some text from the console and counts the occurrences of each character in it. Print the results in alphabetical (lexicographical) order. */

namespace _06.CountSymbols
{
    using System;
    using System.Collections.Generic;

    class CountSymbols
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Enter your text on single line: ");
            string text = Console.ReadLine();

            SortedDictionary<char, int> symbolCounter = new SortedDictionary<char, int>();
            foreach (char symbol in text)
            {
                if (!symbolCounter.ContainsKey(symbol))
                {
                    symbolCounter[symbol] = 0;
                }
                symbolCounter[symbol]++;
            }

            foreach (var pair in symbolCounter)
            {
                Console.WriteLine("{0}: {1} time/s", pair.Key, pair.Value);
            }
        }
    }
}