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 33 30%
2 China 21 19.1%
3 United Kingdom 13 11.8%
4 Germany 7 6.4%
5 Czech Republic 4 3.6%
6 Japan 3 2.7%
7 Korea, Republic of 2 1.8%
8 Netherlands 2 1.8%
9 Portugal 2 1.8%
10 Romania 2 1.8%
11 Singapore 2 1.8%
12 Spain 2 1.8%
13 Sweden 2 1.8%
14 France 2 1.8%
15 Hong Kong 2 1.8%
16 Australia 2 1.8%
17 Bulgaria 2 1.8%
18 Canada 2 1.8%
19 Belgium 1 0.9%
20 Italy 1 0.9%
21 Taiwan 1 0.9%
22 Poland 1 0.9%
23 Lithuania 1 0.9%