Stats returns number without from and size parameters, so we must cou…

…nt hits that really exits in collection

src/Response/Result/HitCollection.php

@@ -3,7 +3,7 @@
 namespace Spameri\ElasticQuery\Response\Result;
 
 
-class HitCollection implements \IteratorAggregate
+class HitCollection implements \IteratorAggregate, \Countable
 {
 
 	/**
@@ -25,4 +25,10 @@ public function getIterator(): \ArrayIterator
 		return new \ArrayIterator($this->hits);
 	}
 
+
+	public function count(): int
+	{
+		return \count($this->hits);
+	}
+
 }