Response not getting refreshed in screen scraper

I have scraped a site.

But there is one parameter given below

I have scrapped the above parameter as

When I run the scrapping session for the second time the value remains 55216 but on the site when I do view source I get the value as 55217
But the same is not reflected in response of screen scrapper.It remains the same 55216 which is the old one.

Any Suggestions?

Regards,
Yogesh