When did Apple adopt the JIS keyboard layout as it is now for their MacBook Pros? When was the current JIS (Japanese Industrial Standard) keyboard layout adopted on Macbook Pro's?

The JIS keyboard layout keeps the Roman letters in the English QWERTY layout, with numbers above them:



This is the JIS layout on a Thinkpad:
Regarding adoption of the JIS keyboard, Apple has sold it for 20 years or so.  This this note.