doc: add usage trend

Author: cwtuan

README.md

@@ -139,6 +139,14 @@ the portions of the library you use. This works because GraphQL.js is distribute
 with both CommonJS (`require()`) and ESModule (`import`) files. Ensure that any
 custom build configurations look for `.mjs` files!
 
+### Usage Trend
+
+[Usage Trend of graphql](https://npm-compare.com/graphql#timeRange=FIVE_YEARS)
+  
+<a href="https://npm-compare.com/graphql#timeRange=FIVE_YEARS" target="_blank">
+  <img src="https://npm-compare.com/img/npm-trend/FIVE_YEARS/graphql.png" width="100%" alt="NPM Usage Trend of graphql" />
+</a>
+
 ### Contributing
 
 We actively welcome pull requests. Learn how to [contribute](./.github/CONTRIBUTING.md).