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 221 56.4%
2 United States 53 13.5%
3 Germany 33 8.4%
4 France 29 7.4%
5 Taiwan 14 3.6%
6 Russia 7 1.8%
7 Singapore 7 1.8%
8 Japan 7 1.8%
9 Ireland 6 1.5%
10 Ukraine 3 0.8%
11 Hong Kong 3 0.8%
12 Canada 3 0.8%
13 Czech Republic 2 0.5%
14 Malaysia 2 0.5%
15 Moldova, Republic of 1 0.3%
16 United Kingdom 1 0.3%