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 25 29.4%
2 United States 23 27.1%
3 Netherlands 12 14.1%
4 Canada 8 9.4%
5 France 3 3.5%
6 Germany 3 3.5%
7 Hong Kong 2 2.4%
8 Russia 2 2.4%
9 Czech Republic 2 2.4%
10 Taiwan 2 2.4%
11 United Kingdom 1 1.2%
12 Singapore 1 1.2%
13 India 1 1.2%