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 446 50.3%
2 United States 208 23.5%
3 Netherlands 102 11.5%
4 Germany 58 6.5%
5 Hong Kong 15 1.7%
6 Canada 12 1.4%
7 Singapore 12 1.4%
8 Sweden 12 1.4%
9 Taiwan 5 0.6%
10 France 5 0.6%
11 United Kingdom 2 0.2%
12 Bulgaria 2 0.2%
13 Australia 2 0.2%
14 India 2 0.2%
15 Korea, Republic of 1 0.1%
16 Belgium 1 0.1%
17 Russia 1 0.1%