Different profiles have different perspectives, different data. Numerous additional resources are available. Before you finish, there are several additional sources available to you. Firstly, many countries will have an Ambassador, Consulate or Consular Representative in your nearest large city. Beyond providing services to nationals, they also provide commercial information and tourism assistance.
Many cities have Japanese cultural centers.
Secondly, your own country's Ambassador, Consulate or Representative in your target country often provide paid assistance to commercial enquiries. There will be a government agency locally to help you with this. For more refined information, you can look for International Policy Journals which include expert commentary under peer review. There are a large number of such scholarly journals, often available at university libraries, many published by the United Nations. In fact, The United Nations publish a wide variety of comparative studies.