They do release data on interventions in CA during autonomous testing with safety drivers [1][2][3] (distinct from driverless testing). As a ADS system under test, they are legally required to unlike Tesla who characterizes their system as a ADAS and thus absolves them of any responsibility for robust data collection or reporting.

Their numbers indicate ~17,000 miles between any safety driver disengagement. Tesla does not release comparable data, but the highly pro-Tesla biased community-reported numbers[4] average ~42 miles between disengagements.

[1] https://www.dmv.ca.gov/portal/vehicle-industry-services/auto...

[2] https://www.dmv.ca.gov/portal/vehicle-industry-services/auto...

[3] https://thelastdriverlicenseholder.com/2024/02/03/2023-disen...

[4] https://teslafsdtracker.com/