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 392 43%
2 United States 234 25.7%
3 Netherlands 97 10.6%
4 Germany 73 8%
5 Sweden 18 2%
6 Korea, Republic of 11 1.2%
7 Hong Kong 11 1.2%
8 India 11 1.2%
9 Cote D'ivoire 10 1.1%
10 Canada 9 1%
11 France 7 0.8%
12 Russia 7 0.8%
13 United Kingdom 6 0.7%
14 Taiwan 4 0.4%
15 Japan 4 0.4%
16 4 0.4%
17 Norway 3 0.3%
18 Philippines 2 0.2%
19 Romania 2 0.2%
20 Nigeria 2 0.2%
21 Denmark 2 0.2%
22 Estonia 1 0.1%
23 Italy 1 0.1%
24 Ukraine 1 0.1%