Dutch gaming site Gamer.nl revealed results of a worldwide study about Steam users. Among other things, they reveal that Steam owners are not playing 22 % of the games they play.
They have even more findings to share. After a Steam user buys the game, around 78 % of them play it, 40 % reach halfway, and 30 % actually finish their games.
Want to learn more? You can check out all the metrics, including a lot of game specific numbers, here.