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 172 60.1%
2 United States 56 19.6%
3 Germany 30 10.5%
4 Canada 12 4.2%
5 Ukraine 4 1.4%
6 Netherlands 4 1.4%
7 Singapore 2 0.7%
8 South Africa 2 0.7%
9 Hong Kong 2 0.7%
10 Iraq 1 0.3%
11 Japan 1 0.3%