| 0.0480 | SELECT DISTINCT SUBSTR(year, 1, 3) AS decade, COUNT(DISTINCT(MT.title_id)) AS total
FROM `ml_movie_titles` `MT`
LEFT JOIN `ml_movies` `MV` ON `MV`.`title_id` = `MT`.`title_id`
WHERE `MV`.`user_id` = 61
AND `year` IS NOT NULL
GROUP BY `decade`
ORDER BY `decade` DESC ?>
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