On your Stats Page > Overview > Right Section of the page (Below the Today, Yesterday etc Stats), You will see this link
'Don't Track Your Own Page Views'
Click on it and Mark your preference for the blog.
Please make sure that every time you delete your browsing history, cache or cookies - you should go through the same process again. As Untracking is happening due to Blocking of Cookies.
Secondly if you are the one to use two or more browsers on the same work station then do it for every browser.