Index: src/wp-admin/includes/plugin-install.php
===================================================================
--- src/wp-admin/includes/plugin-install.php	(revision 37153)
+++ src/wp-admin/includes/plugin-install.php	(working copy)
@@ -587,7 +587,7 @@
 				/* translators: 1: number of stars, 2: number of reviews */
 				$aria_label = esc_attr( sprintf( _n( 'Reviews with %1$d star: %2$d. Opens in a new window.', 'Reviews with %1$d stars: %2$d. Opens in a new window.', $key ),
 					$key,
-					number_format_i18n( $ratecount )
+					$ratecount
 				) );
 				?>
 				<div class="counter-container">