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 211 56.6%
2 United States 79 21.2%
3 Germany 31 8.3%
4 Russia 11 2.9%
5 Hong Kong 10 2.7%
6 Singapore 6 1.6%
7 Netherlands 5 1.3%
8 France 5 1.3%
9 United Kingdom 4 1.1%
10 Japan 3 0.8%
11 Korea, Republic of 2 0.5%
12 Macao 2 0.5%
13 Taiwan 2 0.5%
14 Australia 1 0.3%
15 Czech Republic 1 0.3%