So this will be my primary post. I will add updates periodically (roughly once per month), but will always come back to edit this one for the complete total.
As of 10 September 2018:
Age of X: Alpha (2011): one-shot
Age of X Universe (2011): 1-2
All-New All-Different Avengers (2015): 1-6, Annual 1, FCBD 2015
All-New Wolverine (2015): 29-35
All-New All-Different Point-One (2015): 0.1 (counts as 2)
Amazing Spider-Man (1962): Annual 38
Astonishing Spider-Man and Wolverine (2010): 1-6
Astonishing X-Men (2004): 1-43, Giant-Size Astonishing X-Men (counts as 2)
Astonishing X-Men (2017): 7-13
Astonishing X-Men: Ghost Boxes (2008): 1-2
Avengers (2015): 0 (counts as 2)
Avengers: Rage of Ultron (2015): graphic novel (counts as 5)
Bizarre Adventures (formerly "Marvel Preview", 1975): 27 (Phoenix story only)
Cable (1993): 151-159
Daken: Dark Wolverine (2010): 8-9
Dazzler: X-Song (2018): one-shot
Deadpool (2008): Annual 1
Deadpool (2015): 1-6, 3.1
Deadpool vs. Thanos (2015): 1-4
Death of X (2016): 1-4
Excalibur (1988): 42-50, 101-103, The Possession (counts as 2), Air Apparent (counts as 2), XX Crossing (counts as 2)
Exiles (2018): 1-5
Extraordinary X-Men (2015): 1-5
Free Comic Book Day: Avengers (2009): one-shot
Generation X (1993): 85-87
Generation X (2017): 9
Ghost Rider (1990): 26-27
Hunt for Wolverine (2018): one-shot
Hunt for Wolverine: Adamantium Agenda (2018): 1-4
Hunt for Wolverine: Claws of a Killer (2018): 1-4
Hunt for Wolverine: Dead Ends (2018): one-shot
Hunt for Wolverine: Mystery in Madripoor (2018): 1-4
Hunt for Wolverine: Weapon Lost (2018): 1-4
Iceman (2017): 1-5
Incredible Hulks (2010): Annual 1
Infinity Entity (2016): 1-4
Invincible (2003): 1-2
Jean Grey (2017): 8-11
Marvel Girl (2011): one-shot
Mighty Thor (formerly “Journey into Mystery” and “Thor”, 1952): 142, 600-621, 620.1, 702-706, Giant-Size Thor Finale (600 counts as 4)
Mighty Thor: At the Gates of Valhalla (2018): one-shot
Namor: The First Mutant (2010): Annual 1
New Mutants (2009): 11, 22-28
New Mutants: Dead Souls (2018): 1-3
Old Man Logan (2016): 1-4
Phoenix Resurrection (2017): 1-5
Rogue and Gambit (2018): 1-5
Secret Invasion: Thor (2008): 1-3
Siege (2010): 1-4
Siege: Loki (2010): one-shot
Siege: Storming Asgard: Heroes and Villains (2010): handbook
Siege: The Cabal (2009): one-shot
Sif (2010): one-shot
Spider-Man (1990): 16
Star Trek: Alien Spotlight: Andorians (2007): one-shot
Star Trek: Alien Spotlight: Borg (2008): one-shot
Star Trek: Alien Spotlight: Cardassians (2009): one-shot
Star Trek: Alien Spotlight: Gorn (2007): one-shot
Star Trek: Alien Spotlight: Orions (2007): one-shot
Star Trek: Alien Spotlight: Romulans (2008): one-shot
Star Trek: Alien Spotlight: Vulcans (2007): one-shot
Star Trek: Romulans: Schisms (2009): 1-3
Star Trek: Romulans: The Hollow Crown (2008): 1-2
Star Trek: Waypoint (2016): 1-6
Star Wars (2015): 13-25, Annual 2
Star Wars: Cassian and K-2SO (2017): one-shot
Star Wars: Chewbacca (2015): 1-5
Star Wars: Darth Maul (2000): 1-4
Star Wars: Darth Maul: Son of Dathomir (2014): 1-4
Star Wars: Darth Vader (2015): 13-25, Annual 1
Star Wars: Episode I (1999): 1-4, 1/2
Star Wars: Episode I: Anakin Skywalker (1999): one-shot
Star Wars: Episode I: Obi-Wan Kenobi (1999): one-shot
Star Wars: Episode I: Queen Amidala (1999): one-shot
Star Wars: Episode I: Qui-Gon Jinn (1999): one-shot
Star Wars: Jedi: The Dark Side (2011): 1-5
Star Wars: Jedi Council: Acts of War (2000): 1-4
Star Wars: Jedi vs. Sith (2001): 1-6
Star Wars: Knight Errant: Aflame (2010): 1-5
Star Wars: Knight Errant: Deluge (2011): 1-5
Star Wars: Knight Errant: Escape (2012): 1-5
Star Wars: Obi-Wan and Anakin (2016): 1-5
Star Wars: Podracing Tales (2000): entire webcomic (counts as one)
Star Wars: Qui-Gon and Obi-Wan: Last Stand on Ord Mantell (2000): 1-3
Star Wars: Qui-Gon and Obi-Wan: The Aurorient Express (2002): 1-2
Star Wars: Republic (formerly "Star Wars", 1998): 1-6
Star Wars: Rogue One (2017): 1-6
Star Wars: Vader Down (2016): one-shot
Steve Rogers: Super Soldier (2010): Annual 1
Thanos (2014): Annual 1
Thanos vs. Hulk (2014): 1-4
Thanos: The Infinity Finale (2016): original graphic novel (counts as 4)
Thanos: The Infinity Relativity (2015): original graphic novel (counts as 4)
Thanos: The Infinity Revelation (2014): original graphic novel (counts as 4)
Thor (2007): 7-12
Thor (2018): 1-4
Uncanny X-Men (1963; formerly "X-Men"): 281-290, 534.1, 535-539, Annual 16 (counts as 2), Annual 2011
Venom (2003): 162-163
What If? (1976): 27
What If? (1989): 60
Wolverine (2010): 1-9, 5.1
Wolverine: Bloodlust (1990): original graphic novel (counts as 2)
Wolverine: Bloody Choices (1991): one-shot (counts as 2)
Wolverine: The Jungle Adventure (1990): original graphic novel (counts as 2)
Wolverine/Nick Fury: Scorpio Rising (1994): one-shot (counts as 2)
Wolverine/Nick Fury: The Scorpio Connection (1989): one-shot (counts as 2)
X-23 (2010): 8-9
X-23 (2018): 1
X-Factor (1986): 71-81, Annual 7 (counts as 2)
X-Force (1991): 1-10, Annual 1 (counts as 2)
X-Men Origins: Phoenix (2008): one-shot
X-Men: Blue (2017): 18-34, Annual 1
X-Men: Gold (2017): 18-34, Annual 2
X-Men: Grand Design (2017): 1-2 (counts as 4)
X-Men: Legacy (formerly "X-Men" and "New X-Men", 1991): 1-13, 30, 242-247, Annual 1 (counts as 2)
X-Men: Phoenix Force Handbook (2010): handbook (counts as three)
X-Men: Red (2018): 1-7, Annual 1
X-Men: The Wedding Album (1994): one-shot
X-Men: Wedding Special (2018): one-shot
Total (1-29 January): 56
Total (29 January - 26 February): 85
Total (26 February - 29 March): 94
Total (29 March - 11 June): 160
Tota; (11 June - 10 September): 157
Total: 552
Goal (ideal minimum): 1000
Goal (beating last year): 898
Goal (beating my best year): 1583