The values
- 1987: 1,400,000
- 1994: 450,000
- 1996: 1,350,000
- 1997: 1,800,000
- 2005: 1,090,000
- Sep2009-Aug2010: 950,834
Some detail is too fine to show here; it is kept in the trainer’s notes.
Where it comes from
The line in the source
Table rows: 1997 (peak) 1,800,000; Oct 2018–Sep 2019 621,667 (Wikipedia table, refs Yahoo! Japan and JMPA)