Update market and added extrapolation estimate to top 30 HDI countries .md

[TimothyRbz]

This is how I would add the section. I tried to get ChatGPT to integrate the footnotes the way it's done in the other sections, but I couldn't follow the logic, so I decided to clearly separate it and hope it's easier for you to integrate

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Fixes #[issue number] by @[issue author]

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[AmitMY]

mirroring U.S., is ungrammatical, I assume you want the in there

[AmitMY]

I think that Among others better communicates "including but not limited to" than "This include the"
(but in any case, if you disagree, this is also not grammatical. This includes would be correct)