Description
参考资料：
1 https://downtownrecovery.com/charts/rankings
2 https://www.huduser.gov/portal/datasets/ahar/2022-ahar-part-1-pit-estimates-of-homelessness-in-the-us.html
3 https://hsh.sfgov.org/about/research-and-reports/pit-hic/
4 https://www.kqed.org/news/11765010/timeline-the-frustrating-political-history-of-homelessness-in-san-francisco
5 https://sf.gov/news/mayor-breed-announces-five-year-strategic-plan-sets-bold-goals-address-homelessness-san
6 https://sfstandard.com/2023/09/07/what-to-know-about-san-franciscos-thorny-legal-battle-over-homeless-encampment-sweeps/
7 https://www.kqed.org/news/11952041/san-francisco-to-pay-hotel-whitcomb-19-5-million-in-property-damage
8 https://sf.gov/sites/default/files/2023-07/2023%20Homelessness%20Benchmarking%20Report.pdf
9 https://sfstandard.com/2023/10/17/san-francisco-mayor-london-breed-drug-test-welfare-benefits-ballot-measure/
10 https://www.kron4.com/news/bay-area/san-francisco-blamed-for-its-own-housing-crisis-in-new-state-report/
11 https://www.usnews.com/news/cities/slideshows/us-cities-with-the-biggest-general-revenues-per-capita?onepage
12 https://www.census.gov/data/tables/time-series/demo/income-poverty/historical-poverty-thresholds.html
13 https://www.census.gov/quickfacts/fact/table/sanfranciscocitycalifornia/PST045222