In facebook select date range insights of the page using nodejs

In nodes I am using the FB module for getting Graph API for getting insights on the page. For that i am giving request like

http://ift.tt/1AAejyp

And I tried to manually hit in browser like

http://ift.tt/1wq0JZp

I refer following link and based on the instruction I tried some request, but I am getting only empty data even it has a data.

select date range to get insight of the page || get insights data of facebook page http://ift.tt/1ypPqnQ http://ift.tt/1dj5Hzc