Nexis Uni is the successor of LexisNexis Academic. It provides full-text access to over 15,000 news, business, and legal sources.The broad news coverage includes deep archives and up-to-the-minute stories in national and regional newspapers, wire services, broadcast transcripts, international news, and non-English language news services.
If you can identify organisations that produce and publish the statistics that you need, you can do a direct online search for those organisations.
These organisations can include government agencies, intergovernmental organisations (IGOs), non-governmental organisations (NGOs), research institutions, industry organisations, and so on.
You can do a URL search using Google advanced search syntax site for abbreviations like org, gov, edu (example: site:org.sg rental)
Below are also 2 custom Google search engines to search for IGOs and NGOs.