alexanderfabry

### Keybase proof

I hereby claim:

  * I am alexanderfabry on github.
  * I am alexanderfabry (https://keybase.io/alexanderfabry) on keybase.
  * I have a public key ASARVVehiDUDzoDxaqkMFV3HUdshvgzpy5bT4ElUwVnZ_wo

To claim this, I am signing this object:

alexanderfabry

results = []
partners = []
36.downto(0) do |number|
	date = Time.now - number.months
	artworks = Artwork.where(:created_at.gte => date, :created_at.lt => date + 1.month)
	partners << artworks.map(&:partner_id)
	partners = partners.compact.uniq
	results << {"#{date.strftime}" => partners.size}
end