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 306 65.8%
2 United States 68 14.6%
3 Germany 25 5.4%
4 Hong Kong 17 3.7%
5 Canada 16 3.4%
6 Russia 8 1.7%
7 Netherlands 7 1.5%
8 Ireland 5 1.1%
9 Italy 5 1.1%
10 Singapore 4 0.9%
11 Taiwan 2 0.4%
12 Poland 1 0.2%
13 Czech Republic 1 0.2%