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 528 37.8%
2 China 442 31.6%
3 Germany 121 8.7%
4 Netherlands 111 7.9%
5 France 85 6.1%
6 United Kingdom 21 1.5%
7 Russia 14 1%
8 Hong Kong 14 1%
9 Czech Republic 12 0.9%
10 Canada 8 0.6%
11 India 6 0.4%
12 Portugal 6 0.4%
13 Taiwan 4 0.3%
14 Ireland 4 0.3%
15 Japan 4 0.3%
16 4 0.3%
17 Finland 3 0.2%
18 Estonia 2 0.1%
19 Korea, Republic of 2 0.1%
20 Moldova, Republic of 2 0.1%
21 Trinidad and Tobago 1 0.1%
22 Turkey 1 0.1%
23 Ukraine 1 0.1%
24 Singapore 1 0.1%
25 Sweden 1 0.1%