It is now late October 2015, so the list of days works in not going to be a lot.
Ive been looking at various traffic exchange sites and software, and think they are not very useful as the traffic is generally not people and are Bot traffic.
I have read this may increase the Alexa ranking, but will have to see.
Below are the days i have done work on this. There will be some days not mentioned, but those will be either personal days, or none work related days.