Probably should be on a per mile driven basis, but Moore’s law means it will halved in roughly every 1-2 years, and human driver’s won’t have similar drops. The replacement of human drivers will be in stages, like more automatic features such as emergency collision breaking already found in cars. Young humans are so addicted and instant gratfication they text and drive. And they can be the worst drivers in our history...good luck insuring them.
DK
Moore’s law dosen’t apply.