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 35 30.4%
2 China 28 24.3%
3 Netherlands 13 11.3%
4 Canada 11 9.6%
5 Hong Kong 7 6.1%
6 Germany 5 4.3%
7 Japan 4 3.5%
8 Malaysia 2 1.7%
9 Australia 2 1.7%
10 France 2 1.7%
11 Ukraine 2 1.7%
12 Singapore 2 1.7%
13 Taiwan 1 0.9%
14 Myanmar 1 0.9%