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 809 39.9%
2 China 682 33.6%
3 Netherlands 184 9.1%
4 Hong Kong 85 4.2%
5 Germany 62 3.1%
6 France 35 1.7%
7 Canada 33 1.6%
8 Brazil 20 1%
9 United Kingdom 19 0.9%
10 Korea, Republic of 15 0.7%
11 Taiwan 12 0.6%
12 Malaysia 10 0.5%
13 India 8 0.4%
14 Singapore 6 0.3%
15 Sweden 6 0.3%
16 Russia 5 0.2%
17 Senegal 4 0.2%
18 Switzerland 4 0.2%
19 Japan 4 0.2%
20 Macao 4 0.2%
21 Philippines 4 0.2%
22 New Zealand 3 0.1%
23 Australia 3 0.1%
24 Turkey 3 0.1%
25 Ukraine 2 0.1%
26 Burkina Faso 2 0.1%
27 Cote D'ivoire 2 0.1%
28 Czech Republic 1 0%
29 Poland 1 0%