BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 59 43.4%
2 China 27 19.9%
3 Germany 10 7.4%
4 Netherlands 8 5.9%
5 Czech Republic 7 5.1%
6 Australia 3 2.2%
7 Canada 3 2.2%
8 United Kingdom 3 2.2%
9 Senegal 3 2.2%
10 Mexico 2 1.5%
11 Russia 2 1.5%
12 Singapore 1 0.7%
13 South Africa 1 0.7%
14 Ukraine 1 0.7%
15 United Arab Emirates 1 0.7%
16 France 1 0.7%
17 Paraguay 1 0.7%
18 Poland 1 0.7%
19 Hong Kong 1 0.7%
20 India 1 0.7%