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 326 54.2%
2 United States 145 24.1%
3 Canada 40 6.6%
4 Germany 33 5.5%
5 Netherlands 18 3%
6 Hong Kong 9 1.5%
7 Sweden 5 0.8%
8 Singapore 4 0.7%
9 Korea, Republic of 4 0.7%
10 Romania 3 0.5%
11 Taiwan 3 0.5%
12 Tunisia 2 0.3%
13 Peru 2 0.3%
14 Ecuador 2 0.3%
15 Bulgaria 2 0.3%
16 Argentina 1 0.2%
17 Australia 1 0.2%
18 Macao 1 0.2%
19 France 1 0.2%