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 323 42.4%
2 China 213 28%
3 Germany 56 7.4%
4 Netherlands 55 7.2%
5 United Kingdom 25 3.3%
6 France 22 2.9%
7 Russia 17 2.2%
8 Hong Kong 10 1.3%
9 Portugal 7 0.9%
10 Australia 6 0.8%
11 4 0.5%
12 Ireland 4 0.5%
13 Taiwan 4 0.5%
14 Korea, Republic of 3 0.4%
15 Moldova, Republic of 3 0.4%
16 Sweden 2 0.3%
17 Canada 2 0.3%
18 Czech Republic 1 0.1%
19 Estonia 1 0.1%
20 Finland 1 0.1%
21 Poland 1 0.1%
22 Ukraine 1 0.1%