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 198 45.5%
2 United States 139 32%
3 Germany 40 9.2%
4 Canada 15 3.4%
5 Singapore 14 3.2%
6 Netherlands 8 1.8%
7 Ukraine 3 0.7%
8 Hong Kong 3 0.7%
9 Malaysia 3 0.7%
10 Japan 2 0.5%
11 Denmark 2 0.5%
12 France 2 0.5%
13 United Kingdom 2 0.5%
14 Seychelles 2 0.5%
15 Australia 1 0.2%
16 Mauritius 1 0.2%