def _sum_state_financial_outlay(results:dict):
    """
    Aggregate state total financial outlay for FRT

    Arguments:
        results {dict} -- Result set from `get_state_frts`
    Returns:
        float -- Returns total financial outlay
    """
    if results == None:
        return 0

    total_financial_outlay = 0

    for result in results:
        if result['financial_outlay_cr']:
            total_financial_outlay += result['financial_outlay_cr']

    return total_financial_outlay