def incomeStatementDF(symbol, token='', version=''):
    '''Pulls income statement data. Available quarterly (4 quarters) or annually (4 years).

    https://iexcloud.io/docs/api/#income-statement
    Updates at 8am, 9am UTC daily

    Args:
        symbol (string); Ticker to request
        token (string); Access token
        version (string); API version

    Returns:
        DataFrame: result
    '''
    val = incomeStatement(symbol, token, version)
    df = pd.io.json.json_normalize(val, 'income', 'symbol')
    _toDatetime(df)
    _reindex(df, 'reportDate')
    return df
Pulls income statement data. Available quarterly (4 quarters) or annually (4 years).

    https://iexcloud.io/docs/api/#income-statement
    Updates at 8am, 9am UTC daily

    Args:
        symbol (string); Ticker to request
        token (string); Access token
        version (string); API version

    Returns:
        DataFrame: result