Also YBWM is the definition of longevity
Its never had a day with over a million views and only just started crossing 500k daily this year
peaking 5 years after release who else?
1989 is at 5,680,000 TEA in the US and 4,578,000 in raw sales. Thus, 1989 has yielded ~11,020,000 in track sales in the US.
Shake It Off has sold 4,200,000; Blank Space 3,730,000; Style 1,150,000. That leaves 1,940,000 in non-singles for a total of ~15.6 million records in the US this era.