CarbonLib/CarbonLib/Models/ColumnValue.cs

using System;
using System.Collections.Generic;
using System.Text;

namespace CarbonLib.Carbon.Models
{
    public class ColumnValue
    {
        public string Key { get; set; }
        public double Value { get; set; }

        public ColumnValue(string key, double value)
        {
            Key = key;
            Value = value;
        }
    }

    public class YearColumnValue
    {
        public int Key { get; set; }
        public double Value { get; set; }

        public YearColumnValue(int key, double value)
        {
            Key = key;
            Value = value;
        }
    }
}