most played vocaloid maps (since 2008, no vocaloid maps afaik in 2007)
different vsynths are allowed (japanese or japanese adjacent)
human covers arent allowed, but ill still mark em
2008: Hatsune Miku - Ievan Polkka [James] - 14.4M
2009: Hatsune Miku - Hatsune Miku no Shoushitsu [DJPop] - 8.7M
2010: Hatsune Miku & Megpoid Gumi - MATRYOSHKA [gowww] - 16.6M
2011: Hatsune Miku - Rubik's Cube [rui] - 21.7M
2012: IA - Six Trillion Years and Overnight Story [NatsumeRin] - 11.3M (2nd only to Saiya - Remote Control by Garven - 21.1M)
2013: Rohi - Kakuzetsu Thanatos [NatsumeRin] - 6.9M (2nd only to Wotamin - Gigantic O.T.N - 15.5M)
2014: Giga-P - Electric Angel [koreapenguin] - 6.8M (2nd only to Himeringo - Yotsuya-san ni Yoroshiku - 14M)
2015: Konuko - Toumei Elegy [Awaken] - 29.9M
2016: Remo Prototype[CV: Hanamori Yumiri] [Narcissu] - 9.8M (i do think this is a synthesizer)
2017: Omoi - Snow Drive (01.23) [Kroytz] - 24.8M
2018: Omoi - Teo [Kroytz] - 21.8M
2019: MIMI feat. Hatsune Miku - Ai no Sukima [Log Off Now] - 62.5M
2020: DIVELA feat. Hatsune Miku - Beat Syncer [Log Off Now] - 8.2M
2021: inabakumori - Lagtrain [Shii] - 6.9M
2022: inabakumori - Lagtrain [Sagu] - 3M (2nd only to 15 Voices - Non-breath oblige - 7.1M)
2023: Amanaguchi - Miku [Kuroise] - 1.1M
2024: DECO*27 - Rabbit Hole feat. Hatsune Miku [dakiwii] - 2.3M
2025: Altermis & takehirotei & Violet Delta - Christmas Slop [Sotarks] - 2.8M
2026 (as of 5/22) rusino - Looping the Rooms feat. Hatsune Miku [Andrea] - 773.8K
fun facts:
lagtrain is the only one here that has two appearances
miku has appeared here 11 times, 11/18
2023 really was a weak year in playcount