The Google Keyword Planner connector offers historical data.
Note that Google provides data historical data for the previous month and four years back. The current month is not included in the data.
At the moment you can add max 250 keywords manually and totally (manually and file input) max 10 000 keywords to a connector.
How to connect:
Dimensions:
Competition: Shows how competitive ad placement is for a keyword.
Keyword: Current keyword.
Keyword variants: Close variants of the keyword. They are grouped together with the keyword.
Location Targeting: The names of the targeting locations.
Network: Targeting network.
Period: Month and year.
Metrics:
Avg. CPC : Average cost per click
Competition (indexed value): The competition index for the query in the range [0, 100]. Shows how competitive ad placement is for a keyword.
Monthly searches: The number of times people searched for the keyword and similar terms during the month.
Top of page bid (high range): Shows the higher range of what advertisers have historically paid for a keyword's top of page bid.
Top of page bid (low range): Shows the lower range of what advertisers have historically paid for a keyword's top of page bid.