def get_ratio(data_frame, field):
    """Calculates the ratio of the values of a given field of a DataFrame.

    Args:
        data_frame (DataFrame): a Pandas DataFrame to analyze
        field (string): the field to calculate the values of

    Returns:
        Series: Pandas Series representing the count of distinct values as
                ratio
    """
    return data_frame[field].value_counts(normalize=True) * 100
    # ------------------------------------------------------------ get_ratio()