tags. This is mandatory for every response without exception."
So I need to output my thinking in tags, then provide the actual response. That's what I'm doing here.
Let me finalize my response. I think the draft is good. Let me write it out cleanly.
Actually, I want to reconsider one thing. The prompt says the user is asking about "现在" (current) levels, and my data is from 2017. I should be transparent about this limitation. I've already mentioned "2024年后的权威数据暂时没有直接来源" which addresses this. Good.