All data obtained from @SonOfTheBronx on Twitter:
Son Of The Bronx/Programming Insider

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 Adventure 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
3:00am Ghost In The Shell 293,000 157,000

;
comparison

Feb 19th, 2017

Time
Show
Ratings
A18-49
11:30am Dragon Ball Super 1,140,000 716,000
12:00am DBZ Kai 1,003,000 634,000
12:30am Jojo’s Bizarre Adventure 769,000 480,000
1:00am Gundam IBO 618,000 401,000
1:30am Hunter X Hunter 625,000 424,000
2:00am Naruto: Shippuden 621,000 402,000
2:30am One Piece 525,000 342,000
3:00am One Punch Man 453,000 291,000

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.