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 182 50.8%
2 United States 64 17.9%
3 Germany 44 12.3%
4 Netherlands 29 8.1%
5 Hong Kong 10 2.8%
6 Canada 3 0.8%
7 Malaysia 3 0.8%
8 Sweden 3 0.8%
9 Taiwan 3 0.8%
10 Mexico 2 0.6%
11 Singapore 2 0.6%
12 Chile 2 0.6%
13 Denmark 2 0.6%
14 India 2 0.6%
15 Ireland 2 0.6%
16 Korea, Republic of 2 0.6%
17 Finland 1 0.3%
18 Moldova, Republic of 1 0.3%
19 United Kingdom 1 0.3%