BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 137 53.7%
2 United States 80 31.4%
3 Ukraine 6 2.4%
4 Canada 6 2.4%
5 Germany 4 1.6%
6 Hong Kong 3 1.2%
7 Japan 3 1.2%
8 Belgium 3 1.2%
9 Sweden 3 1.2%
10 Taiwan 2 0.8%
11 Tanzania, United Republic of 2 0.8%
12 Czech Republic 2 0.8%
13 Netherlands 2 0.8%
14 Singapore 2 0.8%