Oracle11g 在ORACLE 11g中填充多个数据元素

我试图在Oracle11g中将几个数据元素塞进一列，但仅部分成功。下面是两个样本记录

IRS_Forms   Tax_Date        Tax_Id  Tax_Times
1040A       5/9/2011 4:51:00 AM BB11    2
1099B       5/9/2011 4:51:00 AM BB11    2

从这里，我可以将IRS_表单列填充为以下脚本：

Select
Tax_Id,
Tax_Date,
LISTAGG(IRS_Forms,', ')  WITHIN GROUP (ORDER BY IRS_Forms) AS TAX_TYPES
from
 (
     IRS_Forms  Tax_Date        Tax_Id  Tax_Times
     1040A  5/9/2011 4:51:00 AM BB11    2
     1099B  5/9/2011 4:51:00 AM BB11    2
  )X
group by Tax_id, Tax_date

输出结果：

Tax_id  Tax_Date                Tax_TYPES
BB11    5/9/2011 4:51:00 AM     1040A, 1099B

如何将其他数据填充到Tax_类型中，例如在上面的（）from Tax_Times列中添加计数？这是我想要的输出：

Desired result:
Tax_id    Tax_Date            Tax_TYPES
BB11    5/9/2011 4:51:00 AM     1040A (2),1099B (2)

---

听起来你只是想

LISTAGG(IRS_Forms || ' (' || tax_times || ')',', ')  
  WITHIN GROUP (ORDER BY IRS_Forms) AS TAX_TYPES

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@凯夫先生，是的。CONCATENATE是关键字。非常感谢，先生！