BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 United States 734 33.2%
2 China 694 31.4%
3 Germany 228 10.3%
4 Netherlands 206 9.3%
5 Canada 79 3.6%
6 France 64 2.9%
7 Russia 55 2.5%
8 India 29 1.3%
9 Korea, Republic of 14 0.6%
10 Czech Republic 14 0.6%
11 United Kingdom 14 0.6%
12 Spain 13 0.6%
13 Hong Kong 11 0.5%
14 Australia 6 0.3%
15 Singapore 6 0.3%
16 Ukraine 5 0.2%
17 Indonesia 5 0.2%
18 Japan 5 0.2%
19 Italy 4 0.2%
20 Israel 3 0.1%
21 Romania 3 0.1%
22 Sweden 2 0.1%
23 Togo 2 0.1%
24 Peru 2 0.1%
25 Moldova, Republic of 2 0.1%
26 Brazil 2 0.1%
27 Finland 1 0%
28 Luxembourg 1 0%
29 Mauritius 1 0%
30 Kenya 1 0%
31 Philippines 1 0%
32 Slovenia 1 0%