The goal we're trying to hit: when did Google first index a term? before: and after: operators don't work, since if a page was indexed in 2000, it'll show for, e.g. "COVID-19" even though the term didn't appear in 2000 (but the page did). We like this proxy: https://books.google.com/ngrams Useful, but of course the data is obfuscated in an SVG... if it's possible (or another way)...?