How to check a Keyword's Search Volume
To view the Search Volume associated with a Keyword, click on the Marketing tab on the left, and then click on Track -> Keywords.
You will see that all of your Keywords are listed in the Keywords table. Note that you can sort the Keywords table by clicking on the column names.
One of the column names is titled "Search Volume". Users can click on title "Search Volume" to sort the Keywords by Search Volume. Higher numbers indicate a higher Search Volume for that particular Keyword. Lower numbers indicate a lower Search Volume for that particular Keyword.