Nintendo announced their Earnings Release: Nine Months Ended December 31, 2022 on February 7th, 2023. Looking at the Nintendo Switch business during this time, Pokémon Scarlet and Pokémon Violet got off to a strong start, recording total sales of 20.61 million units during the period.

Top Selling Title Sales Units - As of December 31, 2022

Pokémon Sword/Pokémon Shield - 25.68 million
Pokémon Scarlet/Pokémon Violet - 20.61 million
Pokémon: Let's Go, Pikachu!/Pokémon: Let's Go, Eevee! - 15.07 million

Source: https://www.nintendo.co.jp/ir/en/