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 China 385 43.1%
2 United States 288 32.2%
3 Netherlands 59 6.6%
4 Russia 42 4.7%
5 Germany 35 3.9%
6 France 21 2.3%
7 United Kingdom 16 1.8%
8 Hong Kong 10 1.1%
9 Portugal 7 0.8%
10 Ireland 5 0.6%
11 Poland 5 0.6%
12 Estonia 4 0.4%
13 4 0.4%
14 India 3 0.3%
15 Finland 2 0.2%
16 Ukraine 2 0.2%
17 Korea, Republic of 2 0.2%
18 Japan 1 0.1%
19 Bolivia, Plurinational State of 1 0.1%
20 Canada 1 0.1%
21 Czech Republic 1 0.1%