#
#	ソート済みファイルの重複データを数える
#
BEGIN {
	PREV = "";
	PREV_COUNT = 0;
}
{
	if ( ( $0 != PREV ) && ( PREV != "" ) ) {
		printf( "%s\t%d\n", PREV, PREV_COUNT );
		PREV_COUNT = 0;
	}
	
	PREV_COUNT++;
	PREV = $0;
}
END {
	printf( "%s\t%d\n", PREV, PREV_COUNT );
}