All data obtained from @SonOfTheBronx on Twitter:

Son Of The Bronx/Programming Insider

Feb 16th, 2019 

Time
Show
Ratings
A18-49
11:00pm Dragon Ball Super 822,000 551,000
11:30pm Boruto 600,000 395,000
12:00am My Hero Academia 564,000 359,000
12:30am Sword Art Online 513,000 332,000
1:00am Megalobox 424,000 286,000
1:30am Jojo’s Bizarre Adventure 397,000 256,000
2:00am Black Clover 364,000 230,000
2:30am Hunter X Hunter 317,000 198,000
3:00am Naruto: Shippuden 323,000 211,000
3:30am Attack On Titan 257,000 158,000


Feb 17th, 2018

Time
Show
Ratings
A18-49
10:30am Dragon Ball Super 1,002,000 595,000
11:00am DBZ Kai 779,000 432,000
11:30am Black Clover 628,000 363,000
12:00am Jojo’s Bizarre Adventures 518,000 306,000
12:30am Gundam: IBO 447,000 272,000
1:00am Hunter X Hunter 440,000 253,000
1:30am Naruto: Shippuden 457,000 261,000
2:00am Outlaw Star 351,000 204,000
2:30am Space Dandy 305,000 149,000
3:00am Cowboy Bebop 304,000 159,000
3:30am Ghost In The Shell 293,000 157,000

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.