Under Unemployment Code 2653, SDI benefits terminate at the earlier of the date of the 52nd week of payment, or where the total payments equal or exceed the beneficiary's total wages during his or her disability base period. I can't calculate your total wages paid and compare them to your payments received, however, that is almost certainly the reason why EDD would state that your benefits are "exhausted."
You may want to consider applying for Social Security Disability Insurance benefits. See this link.
Please note: I am acutely aware of the difficulties of someone in your position. However, California law is straightforward and there is no exception for someone who remains disabled after their benefits are exhausted. Given that circumstances, you must look elsewhere for assistance. Social Security is the first resort. State Public assistance would be next.
Hope this helps.
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