What players throw after a win, loss or tie

After a win (n = 302)
Repeat19.9%
Upgrade42.1%
Downgrade38.1%
After a loss (n = 311)
Repeat27.7%
Upgrade38.3%
Downgrade34.1%
After a tie (n = 533)
Repeat32.6%
Upgrade36.6%
Downgrade30.8%

Random play: 33.3%

Next throw after each result, from 1,146 pairs of consecutive rounds. Upgrade means switching to the throw that beats your previous one.
Source: World Rock Paper Scissors Association, wrpsa.com · CC BY 4.0