Bind (Populate) DropDownListFor from Enum in ASP.Net MVC

Hi!

I used below code its working? But I have problem with value. I can't get number value I am getting letter.

namespace Loan.Enums
{
    public enum RC_CREDIT_RATING
    {
        ZERO = 0,
        NULL = 1,
        A = 2,
        B = 3,
        C = 4,
        D = 5,
        E = 6,
        F = 7,
        G = 8,
        A1 = 9,
        B1 = 10,
        C1 = 11,
        D1 = 12,
        E1 = 13,
        F1 = 14,
        G1 = 15,
    }
}

@using Loan.Enums

@{
    var RC_CREDIT_RATINGS = Enum.GetValues(typeof(RC_CREDIT_RATING)).OfType<RC_CREDIT_RATING>().Select(m => new SelectListItem { Text = m.ToString(), Value = m.ToString() }).ToList();
}
<div class="col-md-3">
    <div class="form-group">
        <label class="col-md-12">Рейтинги қарзӣ</label>
        <div class="col-md-12">
            @Html.DropDownListFor(model => model.RC_CREDIT_RATING, @RC_CREDIT_RATINGS, "Выберите", new { @class = "form-control" })
            @Html.ValidationMessageFor(model => model.RC_CREDIT_RATING, "", new { @class = "text-danger" })
        </div>
    </div>
</div>

I want Get value number 0, 1, 2, 3, 4 and ect.