Is there a reason why I am seeing significant change in counts of Opticks Automotive RVIO and TVIO variables between 2018 and 2019?

There was a change in the methodology used by IHS Markit, our data provider for the Opticks Automotive product, as well as a change in the source data we receive from IHS Markit. This change to source data is the reason why changes in variable counts might be observed and why an inter-vintage comparison between 2018 and 2019 is not recommended.

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