Ryng on 30 July 2015
In shipments:
Q4 2013: 2.25m avg
Q1 2014: 1m avg
Q2 2014: 900k avg
Q3 2014: 1.1m avg
Q4 2014: 2.2m avg
Q1 2015: 800k avg
Q2 2015: 1m avg
Withouth Q1 2015, the PS4 has always ship with avg of 900k or more all quarter.