Update README.md

Author: hossain-khan

benchmark/README.md

@@ -66,4 +66,29 @@ Example output:
 SimplePerson Serialization: JSON5=0.027ms, JSON=0.013ms
 ComplexPerson Serialization: JSON5=0.083ms, JSON=0.015ms  
 Company Serialization: JSON5=0.200ms, JSON=0.032ms
-```
+```
+
+### Snapshot
+
+| Case                | Type            | JSON5 Avg (ms) | JSON Avg (ms) | Speedup (JSON) |
+| ------------------- | --------------- | -------------- | ------------- | -------------- |
+| SimplePerson        | Serialization   | 0.056          | 0.020         | 2.77×          |
+| SimplePerson        | Deserialization | 0.064          | 0.022         | 2.93×          |
+| ComplexPerson       | Serialization   | 0.089          | 0.019         | 4.59×          |
+| ComplexPerson       | Deserialization | 0.113          | 0.030         | 3.76×          |
+| Company             | Serialization   | 0.226          | 0.059         | 3.81×          |
+| Company             | Deserialization | 0.254          | 0.090         | 2.83×          |
+| NumberTypes         | Serialization   | 0.032          | 0.003         | 9.43×          |
+| NumberTypes         | Deserialization | 0.021          | 0.003         | 6.60×          |
+| CollectionTypes     | Serialization   | 0.067          | 0.009         | 7.41×          |
+| CollectionTypes     | Deserialization | 0.059          | 0.025         | 2.37×          |
+| SimplePersonList100 | Serialization   | 0.153          | 0.042         | 3.64×          |
+| SimplePersonList100 | Deserialization | 0.234          | 0.039         | 5.99×          |
+| ComplexPersonList50 | Serialization   | 0.388          | 0.059         | 6.59×          |
+| ComplexPersonList50 | Deserialization | 0.452          | 0.089         | 5.09×          |
+
+**Overall Average Time**
+
+* JSON5: **0.158 ms**
+* JSON: **0.036 ms**
+* 🔥 Overall: **KotlinX JSON is 4.33× faster than JSON5**