Count the total words of all posts for the year

wordress-word-count.php

<?php
$words = 0;

$posts = query_posts([
	'posts_per_page' => -1,
	'year' => '2014',
]);

foreach ($posts as $post) {
	$words += str_word_count($post->post_content);
}

echo 'Total Words: '. number_format($words);
?>