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 China 627 53.3%
2 United States 282 24%
3 Netherlands 99 8.4%
4 Germany 68 5.8%
5 France 32 2.7%
6 Canada 17 1.4%
7 Singapore 12 1%
8 Taiwan 11 0.9%
9 Hong Kong 10 0.8%
10 India 5 0.4%
11 Colombia 5 0.4%
12 Australia 2 0.2%
13 Brazil 2 0.2%
14 Egypt 1 0.1%
15 Moldova, Republic of 1 0.1%
16 Ukraine 1 0.1%
17 Sweden 1 0.1%
18 Norway 1 0.1%