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 150 63.6%
2 United States 41 17.4%
3 Germany 29 12.3%
4 Singapore 3 1.3%
5 South Africa 2 0.8%
6 Sweden 2 0.8%
7 Brazil 2 0.8%
8 Russia 2 0.8%
9 Hong Kong 2 0.8%
10 India 1 0.4%
11 Mexico 1 0.4%
12 Netherlands 1 0.4%