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 193 58.3%
2 United States 49 14.8%
3 Germany 39 11.8%
4 Canada 31 9.4%
5 Singapore 5 1.5%
6 Belarus 5 1.5%
7 Brazil 2 0.6%
8 Czech Republic 2 0.6%
9 Hong Kong 2 0.6%
10 Luxembourg 1 0.3%
11 Russia 1 0.3%
12 Sweden 1 0.3%