What's a normal amount of soft shell eggs?

[Mid Wales chicken keeper]

Ok. . . so I am definitely using this term wrong. These are soft shell or shell-less eggs. The shell just looks like a soft sack. The inside is normal.

you can supplement calcium by giving ground up eggshells. I soak mine in water for about 20 mins so the membrane is easy to peel off, then bake on medium heat for 10 to 15 mins, then grind up and put in a dish for the hens to "free choice" eat. Oyster shells are better, but if its difficult for you, then shells do the job.