A useful tool you can use is the Google ADWords Keyword Planner. It helps you to understand and define how many times a keyword or a phrase has been searched on Google on a monthly basis.
> Get search volume for a list of keywords or group them into ad groups
> Enter keywords
Result: The average number of times people have searched for this exact keyword based on the date range and targeting settings that you've selected. About the number: We calculate the average number of searches for this exact keyword based on the date range, location, and Search Network targeting settings that you've selected (not including your language setting).
Data entry format sld.tld is a rough proxy for type in traffic. Itโs best to check exact match numbers yourself because others may use different target settings or they may report search engine results instead of keyword search volume.