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 China 504 50.7%
2 United States 253 25.4%
3 Germany 79 7.9%
4 Netherlands 57 5.7%
5 France 42 4.2%
6 Canada 9 0.9%
7 United Kingdom 6 0.6%
8 India 5 0.5%
9 Korea, Republic of 5 0.5%
10 Philippines 4 0.4%
11 Spain 4 0.4%
12 Russia 3 0.3%
13 Taiwan 3 0.3%
14 Norway 3 0.3%
15 Hong Kong 3 0.3%
16 Cote D'ivoire 3 0.3%
17 Malaysia 2 0.2%
18 Mexico 2 0.2%
19 Moldova, Republic of 2 0.2%
20 Sweden 2 0.2%
21 Ukraine 1 0.1%
22 Italy 1 0.1%
23 Estonia 1 0.1%
24 Finland 1 0.1%