Week 3 top selling hardware (Famitsu - maybe data are not that precise for handhelds until 2000):
1997: PS1 - 93.555 (LTD: 4.759.361)
1998: PS1 - 113.077 (9.846.939)
1999: PS1 - 72.493 (14.016.722)
2000: GBC - 49.516 (3.221.483)
2001: PS2 - 23.966 (3.232.624)
2002: PS2 - 91.718 (6.867.542)
2003: PS2 - 68.252 (10.430.391)
2004: GBA - 51.977 (11.584.167)
2005: PSP - 57.383 (630.480)
2006: NDS - 64.515 (5.857.127)
2007: NDS - 127.770 (14.567.730)
2008: NDS - 88.575 (21.625.563)
2009: NDS - 81.334 (25.533.278)
2010: PSP - 52.122 (13.822.746)
2011: PSP - 31.551 (16.438.818)
2012: 3DS - 80.960 (4.704.569)
2013: 3DS - 81.855 (10.235.654)
2014: 3DS - 47.438 (14.948.066)
2015: 3DS - 44.229 (18.096.641)
2016: 3DS - 39.677 (20.331.655)
2017: PS4 - 36.413 (4.187.494)
2018: PS4 - 44.910 (6.045.922)
2019: NSW - 71.672 (7.270.052)
2020: NSW - 96.458 (11.881.017)
2021: NSW - 170.691 (17.990.782)
Only NDS came close to this year's Switch result (127.770 units in 2007).
Source: Resetera
Unusual 3rd week