Update README.md

README.md

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 ### Dataset Summary
 
 ### Description
-This is a countrywide car accident dataset, which covers __49 states of the USA__. The accident data are collected from __February 2016 to Mar 2023__, using multiple APIs that provide streaming traffic incident (or event) data. These APIs broadcast traffic data captured by a variety of entities, such as the US and state departments of transportation, law enforcement agencies, traffic cameras, and traffic sensors within the road-networks. Currently, there are about __2.8 million__ accident records in this dataset. Check [here](https://smoosavi.org/datasets/us_accidents) to learn more about this dataset. 
+This is a countrywide car accident dataset, which covers __49 states of the USA__. The accident data are collected from __February 2016 to Mar 2023__, using multiple APIs that provide streaming traffic incident (or event) data. These APIs broadcast traffic data captured by a variety of entities, such as the US and state departments of transportation, law enforcement agencies, traffic cameras, and traffic sensors within the road-networks. Currently, there are about __7.7 million__ accident records in this dataset. Check [here](https://smoosavi.org/datasets/us_accidents) to learn more about this dataset. 
 
 ### Acknowledgements
 Please cite the following papers if you use this dataset: