Unverified80% confidenceFactTime unknown
根据美国户外产业协会发布的《户外参与报告》，2023年美国有超过1.68亿人参与了至少一项户外休闲活动，占全国人口的55%以上
1
Sources
80%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
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