these production rates were not achieved by february 2016. the company said that production rate for falcon 9 cores had only increased to 18 per year. they also said that the number of first stage cores that can be made at one time had doubled from three to six. the rate was expected to grow to 30 cores per year by the end of 2016. still, by august 2016, spacex was working towards a production capacity of 40 cores per year.