They do not correspond as in... they are not actually errors?
If all coins were meant to have the security edge, but some coins skipped that process, they would certainly appear to be regular reeded edge coins. And the security edge ones are definitely more common. Here are some numbers, if you are interested.
Year: security edge owners / reeded edge owners
1967: 294 / 11
1968: 218 / 9
1969: 53 / 5