All data obtained from @SonOfTheBronx on Twitter:

Son Of The Bronx/Programming Insider

Jan 12th, 2019

Time
Show
Ratings
A18-49
11:00pm Dragon Ball Super 677,000 380,000
11:30pm Boruto 531,000 277,000
12:00am My Hero Academia 491,000 271,000
12:30am Mob Psycho 100 457,000 273,000
1:00am Megalobox 426,000 232,000
1:30am Jojo’s Bizarre Adventure 355,000 194,000
2:00am Black Clover 325,000 186,000
2:30am Hunter X Hunter 296,000 172,000
3:00am Naruto: Shippuden 293,000 170,000
3:30am Attack On Titan 234,000 141,000
4:00am Pop Team Epic 208,000 129,000
4:30am Gundam: IBO 189,000 113,000


Jan 13th, 2018

Time
Show
Ratings
A18-49
10:30am Dragon Ball Super 904,000 475,000
11:00am DBZ Kai 761,000 442,000
11:30am Black Clover 609,000 371,000
12:00am Jojo’s Bizarre Adventures 508,000 274,000
12:30am Gundam: IBO 455,000 249,000
1:00am Hunter X Hunter 460,000 280,000
1:30am Lupin The 3rd 428,000 276,000
2:00am Naruto: Shippuden 430,000 272,000
2:30am Outlaw Star 421,000 259,000
3:00am Cowboy Bebop 412,000 270,000
3:30am Ghost In The Shell 370,000 245,000

If you want more data, you can check my spreadsheet here;. That will have further data including per year difference and A18-49 differences.

Let us know what you think in the comments below about the ratings.