Here's a list of what Nintendo published in 2019 to get a general idea of how many games would release in 2020 if it's as strong as 2019.
1) Mario U Deluxe
2) Tetris 99
3) Yoshi's Crafted World
4) Labo 4
5) Box boy/girl
6) Cadene of Hyrule
7) Mario Maker 2
8) DQ Builders 2
9) Ultimate Alliance 3
10) Fire Emblem 3H
11) Astral Chain
12) Kirby Clash
13) Daemon x Machina
14) Links Awakening
15) Dragon Quest 11 S
16) Ring Fit
17) Luigi's Mansion 3
18) The Stretchers
19) Pokemon Sword
20) Pokemon Shield
1) Mario U Deluxe
2) Tetris 99
3) Yoshi's Crafted World
4) Labo 4
5) Box boy/girl
6) Cadene of Hyrule
7) Mario Maker 2
8) DQ Builders 2
9) Ultimate Alliance 3
10) Fire Emblem 3H
11) Astral Chain
12) Kirby Clash
13) Daemon x Machina
14) Links Awakening
15) Dragon Quest 11 S
16) Ring Fit
17) Luigi's Mansion 3
18) The Stretchers
19) Pokemon Sword
20) Pokemon Shield