Sony FY2017 - HW 19 Million Sold, SW 246.9 Million Sold. 79 Million Shipped Ending March 31st.

[Louie]

16 million sounds a bit pessimistic to me but maybe they are just trying to be conservative. Or, if the PS5 really releases in late 2019, they are allocating resources to it already. Should be a nice battle between the PS4 and the Switch this year.