Which versions are correct and natural?

Hi
Please can you tell me which versions are correct and natural?

I would like to know if my defenses are as good as people's [defenses] who are of the same level as me.

I would like to know if my defenses are as good as the defenses of people who are of the same level as me.

I would like to know if my defenses are as good as people's [defenses] whose level is the same as mine.

I would like to know if my defenses are as good as the defenses of people whose level is the same level as me.

I would like to know if my defenses are as good as people's who are the same level as me.

I would like to know if my defenses are as good as the defenses of people who are the same level as me.

I would like to know if my defenses are as good as people's of my level.

I would like to know if my defenses are as good as those of others of my level.

Thanks