Nintendo revealed its Consolidated Results for the Nine Months Ended December 2015 and 2016 report which revealed that the Pokémon franchise significantly helped Nintendo's fiscal results. From November 18th, 2016 to December 31st, 2016, Pokémon Sun and Moon sold a combined 14.69 million units worldwide.

Consolidated Operating Results

During the nine months ended December 31, 2016, the worldwide release of Pokémon Sun and Pokémon Moon generated buzz and led to blockbuster sales of 14.69 million units. In addition, Super Mario Maker for Nintendo 3DS surpassed the million-seller mark. The release of the smart device application Pokémon GO led to increased sales of software in the Pokémon series released in the past and drove Nintendo 3DS family hardware sales growth, particularly outside of Japan. The worldwide sales volume for Nintendo 3DS hardware this period was 6.45 million units (10% increase on a year-on-year basis), while Nintendo 3DS software sales were 46.78 million units (20% increase on a year-on-year basis).

Source: https://www.nintendo.co.jp/ir/pdf/2017/170131e.pdf