Update benchmark results

README.md

 
 You can find how we benchmark it [here](http://www.phpbenchmarks.com/en/benchmark-protocol).
 
-## Symfony 4.0.0
+## Symfony 4.0.0 : 27,495
 
-Benchmark | Tool | PHP | Score
---------- | ---- | --- | -----
-[Hello World](http://www.phpbenchmarks.com/en/benchmark/apache-bench/php-7.1/symfony-4.0.html#benchmark-hello-world) | Apache Bench | 7.1 | In progress
-[News](http://www.phpbenchmarks.com/en/benchmark/apache-bench/php-7.1/symfony-4.0.html#benchmark-news) | Apache Bench | 7.1 | In progress
-[Rest API](http://www.phpbenchmarks.com/en/benchmark/apache-bench/php-7.1/symfony-4.0.html#benchmark-rest) | Apache Bench | 7.1 | In progress
+Benchmark | PHP | Request | Rq/sec | Score
+--------- | --- | ------- | ------ | -----
+[Hello World](http://www.phpbenchmarks.com/en/benchmark/apache-bench/php-7.1/symfony-4.0.html#benchmark-hello-world) | 7.2 | 1.2 ms | 856 | 19 026
+[Rest API](http://www.phpbenchmarks.com/en/benchmark/apache-bench/php-7.1/symfony-4.0.html#benchmark-rest) | 7.2 | 2.3 ms | 435 | 8 469
 
 Scores are too low ? Do not hesitate to create a pull request, and ask a new benchmark !