Перегрузка и добавление статистического поля в классе - C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
 
namespace _5_2
{
    class Program
    {
        static void Main(string[] args)
        {
             Worker[] workers = new Worker[6];
            for (int i = 0; i < 6;i++ )
            {
                workers[i] = new Worker();
            }
            workers[0].Surname = "Иванов";
            workers[0].Name= "Иван";
            workers[0].Patronymic = "Иванович";
            workers[0].Post = "Директор";
            workers[0].Year = 1985;
            workers[0].Pay = 5000000; 
            workers[1].Surname = "Петров";
            workers[1].Name = "Петр";
            workers[1].Patronymic = "Петрович";
            workers[1].Post = "Нач. отдела";
            workers[1].Year = 1990;
            workers[1].Pay = 4000000; 
            workers[2].Surname = "Семёнов";
            workers[2].Name = "Семён";
            workers[2].Patronymic = "Семёнович";
            workers[2].Post = "Бухгалтер";
            workers[2].Year = 1995;
            workers[2].Pay = 3000000; 
            workers[3].Surname = "Павлов";
            workers[3].Name = "Павел";
            workers[3].Patronymic = "Павлович";
            workers[3].Post = "Экономист";
            workers[3].Year = 2000;
            workers[3].Pay = 2500000; 
            workers[4].Surname = "Егоров";
            workers[4].Name = "Егор";
            workers[4].Patronymic = "Егорович";
            workers[4].Post = "Менеджер";
            workers[4].Year = 2005;
            workers[4].Pay = 2000000; 
            workers[5].Surname = "Сергеев";
            workers[5].Name = "Сергей";
            workers[5].Patronymic = "Сергеевич";
            workers[5].Post = "Уборщик";
            workers[5].Year = 2010;
            workers[5].Pay = 1500000; 
            do
            {
                Console.WriteLine("Введите число лет работы, для вывода информации о работнике:");
                int years = Convert.ToInt32(Console.ReadLine());
                for (int i = 0; i < 6; i++)
                {
                    if (2015 - workers[i].Year > years)
                    {
                        Console.WriteLine("-----------------------");
                        workers[i].Show();
                    }
                }
                Console.WriteLine("-----------------------");
                Console.WriteLine("Продолжить  работу программы? (да/нет)");
            }
            while (Console.ReadLine() != "n");
        }
    }
    class Worker
    {
        string surname = "";
        string name = "";
        string patronymic = "";
        string post="";
        int year = 0;
        int pay = 0; // :((
        public string Surname
        {
            get { return surname; }
            set { surname = value; }
        }
        public string Name
        {
            get { return name; }
            set { name = value; }
        }
        public string Patronymic
        {
            get { return patronymic; }
            set { patronymic = value; }
        }
        public string Post
        {
            get { return post; }
            set { post = value; }
        }
        public int Year
        {
            get { return year; }
            set { year = value; }
        }
        public int Pay
        {
            get { return pay; }
            set { pay = value; }
        }
        public void Show()
        {
            Console.WriteLine("Информация по работнику:");
            Console.WriteLine("Фамилия: {0}", Surname);
            Console.WriteLine("Имя: {0}", Name);
            Console.WriteLine("Отчество: {0}", Patronymic);
            Console.WriteLine("Должность: {0}", Post);
            Console.WriteLine("Год поступления на работу: {0}", Year);
            Console.WriteLine("Зарплата: {0}", Pay);
        }
    }
}