Update docs/table-search-trends.md
Update docs/table-search-trends.md

Co-authored-by: Oscar Wahltinez <efa9f442c6c32699319e98f01bc4f098bd4c4076@users.noreply.github.com>
GoogleCloudPlatform/covid-19-open-data,GoogleCloudPlatform/covid-19-open-data