How much projects should be in CV

Question

Hi,

 

Please suggest me .

How many projects should be in cv for 2 years experience.

I am asking this question because 2 or 3 projects by me.. are closed and now  domain is not in use now . those projects was developed in beginning and I love those projects and worked hard on them but they are not in use.

Please give me advice,I have to show them in my cv or not.