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 559 50.2%
2 United States 297 26.7%
3 Netherlands 102 9.2%
4 Germany 55 4.9%
5 Korea, Republic of 18 1.6%
6 Canada 14 1.3%
7 France 13 1.2%
8 India 9 0.8%
9 Sweden 9 0.8%
10 Taiwan 9 0.8%
11 United Kingdom 7 0.6%
12 Philippines 5 0.4%
13 Senegal 3 0.3%
14 Russia 2 0.2%
15 Ukraine 2 0.2%
16 Cote D'ivoire 2 0.2%
17 Macao 2 0.2%
18 Malaysia 2 0.2%
19 Hong Kong 2 0.2%
20 Czech Republic 1 0.1%