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 187 53.9%
2 United States 68 19.6%
3 Canada 35 10.1%
4 Germany 30 8.6%
5 Korea, Republic of 5 1.4%
6 Ireland 4 1.2%
7 Taiwan 4 1.2%
8 Singapore 3 0.9%
9 Hong Kong 3 0.9%
10 Argentina 2 0.6%
11 Netherlands 2 0.6%
12 Viet Nam 2 0.6%
13 Romania 1 0.3%
14 South Africa 1 0.3%