[dang]

Fear not. It fluctuates, but the range of fluctuation has been stable for many years. See e.g. https://news.ycombinator.com/item?id=1934367 from 2010 and https://news.ycombinator.com/item?id=6157485 from 2013 as reactions to previous swings.

More explanation here: https://news.ycombinator.com/item?id=17014869