Adding old visitor value to plugin

Hi there! Sorry for disturbing with an question again, which was still posted before, but im also searching for adding a start value for the counter.

Im designing a new website for a customer at the moment and he is asking to add his old statistics to the new site again. So im asked to add there a start value and count up on new site.

Could you please give me the work around editing the plugin code?

Thank you really much and sorry for bad english skills..:-D

Claudio

The page I need help with: [log in to see the link]