All data obtained from @SonOfTheBronx on Twitter:

Son Of The Bronx/Programming Insider

Feb 23rd, 2019 

Time
Show
Ratings
A18-49
11:00pm Dragon Ball Super 784,000 470,000
11:30pm Boruto 513,000 278,000
12:00am My Hero Academia 484,000 259,000
12:30am Sword Art Online 363,000 209,000
1:00am Megalobox 330,000 184,000
1:30am Jojo’s Bizarre Adventure 337,000 196,000
2:00am Black Clover 316,000 196,000
2:30am Hunter X Hunter 234,000 144,000
3:00am Naruto: Shippuden 260,000 157,000
3:30am Attack On Titan 201,000 118,000


Feb 24th, 2018

Time
Show
Ratings
A18-49
10:30am Dragon Ball Super 1,039,000 662,000
11:00am DBZ Kai 927,000 563,000
11:30am Black Clover 730,000 442,000
12:00am Jojo’s Bizarre Adventures 618,000 348,000
12:30am Gundam: IBO 525,000 341,000
1:00am Hunter X Hunter 501,000 345,000
1:30am Naruto: Shippuden 543,000 350,000
2:00am Outlaw Star 420,000 270,000
2:30am Space Dandy 371,000 235,000
3:00am Cowboy Bebop 395,000 248,000
3:30am Ghost In The Shell 360,000 227,000

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.