A new report from The Wall Street Journal states that Nintendo will alter its manufacturing plans for the Switch in the fiscal year ending March 2018. The Japanese company had initially planned to make 8 million Switch units, but that has been raised to 16 million.
The change is due to better than expected demand for the hardware, which launched on March 3. According to the WSJ's sources, the company believes it can sell more than 10 million units in the next fiscal year, following a launch month in which it expects to ship 2.5 million units.
http://www.gamesindustry.biz/articles/2017-03-17-nintendo-set-to-double-switch-production-report
So basically buy WSJ Nintendo plans are to sell from launch to 31. March 2018. (13 months) 12.5m Switch consoles.
