One week out from Christmas, we have another Numbers You Need to Know right out of the oven.

Here's what you should know today:

$19,783.06

The price of Bitcoin one year ago (on December 17). If one were to buy one Bitcoin at the height of its popularity and HODL up until today, they would have lost over $16,000. And speaking of unfortunate investors...

$15 billion

The amount of money Facebook ($FB) founder Mark Zuckerburg reportedly lost this year in net worth. He still is worth $57 billion though.

57%

The percentage of jobs that women are underepresented in through Google ($GOOG) image searches, according to a Pew Research study. There are also some jobs that women are overepresented in search results, such as flight attendents and police officers.