You'd still have 214 Hubs. Beyond that, nothing can be predicted. The only way to find out would be to take that six month break and watch.
I've taken several multiple-month-long breaks from making Hubs in my four years with the site, and my Hub traffic has always gone up regardless. There's a lot of superstition on this site regarding inactivity, but it tends to come from people who never actually stop participating in the site.