A factual comparison of the top 4 cumulative scorers in major tournaments

Olympics
Zhang Ning: 2 Gold Medals
An Se-young, Susi, Santi, Marin: 1 Gold Medal each
World Championships
Marin: 3 wins
An Se-young: 2 wins
Susi, Zhang Ning: 1 win each
Asian Games + European 4-year major tournaments
An Se-young, Marin: 1 win each
Susi: 2 Bronze Medals
Zhang Ning: Eliminated in quarterfinals, no medals
All England Open
Susi: 4 wins
An Se-young, Marin: 2 wins each
Zhang Ning: 0 wins
World Tour Finals
Susi: 6 wins
An Se-young: 2 wins
Zhang Ning: 1 win
Marin: 0 wins
Total Tour Wins
Susi: 39 wins
An Se-young: 38 wins
Zhang Ning: 30 wins
Marin: 18 wins
Win Rate
Susi: approx. 87%
An Se-young: approx. 86%
Zhang Ning: approx. 80%
Marin: approx. 78%
An Se-young has added over 700 points to her 750 in just 4 years.
This means by the time she retires, she will likely exceed 1,200 points at a minimum.