BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 United States 42 39.3%
2 China 37 34.6%
3 Netherlands 9 8.4%
4 Germany 4 3.7%
5 Singapore 3 2.8%
6 Australia 3 2.8%
7 Canada 2 1.9%
8 Turks and Caicos Islands 2 1.9%
9 Hong Kong 2 1.9%
10 Malaysia 1 0.9%
11 United Kingdom 1 0.9%
12 France 1 0.9%