All UK, USA, AU folk have been already providing 12 month statements for annual extensions using income method.
There are threads running in "banking finance" forum.
If you have specific tax related question, best to post there.
You stated earlier......
"This is one of the reasons I am now pulling out of Thailand. When Im transferring founds to stay, I do not transfer monthly, I transfer when needed"
Surely bit melodramatic. You can easily adjust your living to monthly transfers and not serious reason to leave Thailand.