Update README.md

README.md

@@ -19,10 +19,17 @@ AICC (AI-ready Common Crawl) is a **Markdown-formatted**, **AI-Ready web dataset
 **Dripper Pipeline**  The detailed pipeline can be found in the [AICC technical report](https://opendatalab.com/):
 ![](./images/主流程图.png)
   
-  
+## Data Statistics
+The AICC dataset contains only the successfully extracted AI-ready JSON records(each with a `content` field containing Markdown text).<br>
+For reference, the number of original pages in the corresponding Common Crawl dumps is also shown below.<br>
+Note that only the extracted JSON records are included in the released dataset.
+| **Common Crawl Dump** | **AICC JSON records (lines)** | **Original pages (lines, not included)** |
+|------------------------|------------------------------------|-----------------------------------------|
+| CC-MAIN-2025-08 | 2,412,939,230 | 2,679,687,937 |
+| CC-MAIN-2025-13 | 2,474,534,209 | 2,740,793,128 |  
 ## Data Format
 
-| Field name | Field description | Note |
+| **Field name** | **Field description** | **Note** |
 |------------|-------------------|------| 
 | track\_id | Unique tracking identifier for the record |- | 
 | warc\_request\_headers | Archived metadata of the request | Derived from request-type records in the Common Crawl WARC files | 
@@ -297,8 +304,6 @@ AICC (AI-ready Common Crawl) is a **Markdown-formatted**, **AI-Ready web dataset
   }
 ```
 
-## Usage
-
 ## Citation
 
 ## License and Ethics