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 495 63.6%
2 United States 163 21%
3 Germany 37 4.8%
4 Canada 23 3%
5 Hong Kong 11 1.4%
6 Netherlands 10 1.3%
7 Taiwan 9 1.2%
8 Russia 8 1%
9 Japan 5 0.6%
10 Latvia 2 0.3%
11 Libya 2 0.3%
12 France 2 0.3%
13 Seychelles 2 0.3%
14 Ukraine 2 0.3%
15 United Kingdom 2 0.3%
16 Viet Nam 1 0.1%
17 Austria 1 0.1%
18 Brazil 1 0.1%
19 Malaysia 1 0.1%
20 Mauritius 1 0.1%