im copying and pasting this off /a/ because i think its interesting
some guy used mal archives on the wayback machine to get score changes over time
>School Days:
2008: 7.111 (scored by 6785 users)
2013: 6.761 (scored by 70284 users)
2018: 6.021 (scored by 221,860 users)
2023: 5.531 (scored by 386,805 users)
Now: 5.511 (scored by 415,997 users)
>Kodomo no Jikan:
2008: 7.531 (scored by 1940 users)
2013: 7.411 (scored by 18217 users)
2018: 7.041 (scored by 37,568 users)
2023: 6.711 (scored by 52,543 users)
Now: 6.681 (scored by 55,472 users)
Steins;Gate:
2011: 9.121 (scored by 22649 users)
2013: 9.171 (scored by 79775 users)
2018: 9.141 (scored by 560,548 users)
2023: 9.071 (scored by 1,332,361 users)
Madoka Magica:
2011: 8.831 (scored by 21733 users)
2013: 8.691 (scored by 80900 users)
2018: 8.461 (scored by 379,826 users)
2023: 8.361 (scored by 719,006 users)
Nagi no Asukara:
2014: 8.501 (scored by 34104 users)
2018: 8.241 (scored by 129,219 users)
2023: 7.971 (scored by 251,255 users)
Now: 7.931 (scored by 266,181 users)
>Shigatsu wa Kimi no Uso:
2015: 8.931 (scored by 90491 users)
2018: 8.881 (scored by 417,175 users)
2023: 8.651 (scored by 1,283,812 users)
>Kimi no Na wa:
2016: 9.391 (scored by 59,531 users)
2018: 9.181 (scored by 479,612 users)
2023: 8.851 (scored by 1,795,955 users)
>Yuru Yuri S1:
2011: 7.651 (scored by 6843 users)
2013: 7.721 (scored by 22444 users)
2018: 7.671 (scored by 92,748 users)
2023: 7.571 (scored by 148,535 users)
Now: 7.561 (scored by 156,656 users)
>Haruhi S1:
2010: 8.511 (scored by 60997 users)
2013: 8.301 (scored by 133417 users)
2018: 7.991 (scored by 305,860 users)
2023: 7.831 (scored by 465,253 users)
Now: 7.821 (scored by 498,096 users)
>Sword Art Online S1:
2013: 8.341 (scored by 96419 users)
2018: 7.641 (scored by 920,729 users)
2023: 7.201 (scored by 2,063,885 users)
Now: 7.221 (scored by 2,249,026 users)
>Bakemonogatari:
2011: 8.501 (scored by 30256 users)
2013: 8.451 (scored by 89118 users)
2018: 8.351 (scored by 353,895 users)
2023: 8.331 (scored by 707,520 users)
Now: 8.321 (scored by 762,582 users)
>NHK:
2013: 8.491 (scored by 65438 users)
2018: 8.381 (scored by 189,928 users)
2023: 8.311 (scored by 320,563 users)
Now: 8.311 (scored by 363,158 users)
>Oregairu S1:
2013: 8.091 (scored by 33198 users)
2018: 8.111 (scored by 308,311 users)
2023: 8.011 (scored by 810,387 users)
Now: 8.001 (scored by 905,838 users)