What is the install footprint of ChromeOS in 2016?

[cbn]

According to the following link the install footprint (back in 2014) was 5.2GB based on my estimate of 14.8GB being usable in a 16GB SSD:

https://www.reddit.com/r/chromeos/comments/1rsqzk/how_much_space_does_chromeos_take_up/