Update metadata in dataset card

README.md

@@ -27,6 +27,7 @@ pretty_name: PubMed
 tags:
 - citation-estimation
 dataset_info:
+- config_name: '2023'
   features:
   - name: MedlineCitation
     struct:
@@ -132,13 +133,12 @@ dataset_info:
         dtype: string
       - name: CitationId
         dtype: int32
-  config_name: '2021'
   splits:
   - name: train
-    num_bytes: 46372156591
-    num_examples: 31850051
-  download_size: 32882348650
-  dataset_size: 46372156591
+    num_bytes: 52199025303
+    num_examples: 34960700
+  download_size: 41168762331
+  dataset_size: 52199025303
 ---
 
 # Dataset Card for PubMed
@@ -316,4 +316,4 @@ There are no splits in this dataset. It is given as is.
 
 ### Contributions
 
-Thanks to [@Narsil](https://github.com/Narsil) for adding this dataset.
+Thanks to [@Narsil](https://github.com/Narsil) for adding this dataset.