As in the last three years

Which are correct:

1) As in the last three years, next year our production will increase.

2) As with the last three years, next year our production will increase.

3) In this operation, as in all other operations of this kind, there is a high risk of bleeding.

4) In this operation, as with all other operations of this kind, there is a high risk of bleeding.

I don't like '2'.

Gratefully,

Navi