Why Does The Keyword List From MGYB Does Not Show Search Volume For Commercial Keywords?

 

In episode 288 of our weekly Hump Day Hangouts, one viewer asked why the keyword list from MGYB does not show search volume for commercial keywords.

The exact question was:

I hope all is well with your families. Just received the keyword list and I love it. Please remind me why the list does not show search volume for the commercial keywords. Thank you