[Docs] update usage stats language (#15898)

Signed-off-by: simon-mo <simon.mo@hey.com>

docs/source/serving/usage_stats.md

 # Usage Stats Collection
 
-vLLM collects anonymous usage data by default to help the engineering team better understand which hardware and model configurations are widely used. This data allows them to prioritize their efforts on the most common workloads. The collected data is transparent, does not contain any sensitive information, and will be publicly released for the community's benefit.
+vLLM collects anonymous usage data by default to help the engineering team better understand which hardware and model configurations are widely used. This data allows them to prioritize their efforts on the most common workloads. The collected data is transparent, does not contain any sensitive information.
+
+A subset of the data, after cleaning and aggregation, will be publicly released for the community's benefit. For example, you can see the 2024 usage report [here](https://2024.vllm.ai).
 
 ## What data is collected?