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 88 47.3%
2 United States 30 16.1%
3 Russia 22 11.8%
4 France 17 9.1%
5 Germany 8 4.3%
6 Netherlands 7 3.8%
7 Taiwan 4 2.2%
8 Hong Kong 2 1.1%
9 Australia 2 1.1%
10 Denmark 2 1.1%
11 Czech Republic 1 0.5%
12 India 1 0.5%
13 United Kingdom 1 0.5%
14 Singapore 1 0.5%