on a parent item and the child items are hidden.Click
on a parent item and the hidden the child items appear.
Click "Download" on the sidebar and the other window, which shows download page, appears.
Click the icon of each data and each download page appears.
Select the kind of data and you can download the file.You can select an archive format from zip or tar.gz. The files archived with zip are encoded by Shift_JIS. The files archived with tar.gz are encoded by UTF-8.
Click on a parent item and the child items are hidden.
Click on a parent item and the hidden the child items appear.
Click 
on the bottom of the menu and the terms and condition appears.
Click 
on the bottom of the menu to download a file of all file formats.
Click 
on the bottom of the menu and Download menu of the report appears.