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 495 52.4%
2 United States 185 19.6%
3 Netherlands 74 7.8%
4 Germany 43 4.6%
5 Sweden 24 2.5%
6 Russia 15 1.6%
7 France 14 1.5%
8 Hong Kong 14 1.5%
9 Korea, Republic of 12 1.3%
10 Switzerland 9 1%
11 Malaysia 8 0.8%
12 Cote D'ivoire 7 0.7%
13 Canada 6 0.6%
14 Norway 5 0.5%
15 Czech Republic 5 0.5%
16 United Kingdom 5 0.5%
17 Taiwan 3 0.3%
18 Moldova, Republic of 3 0.3%
19 Ireland 3 0.3%
20 Philippines 3 0.3%
21 Portugal 2 0.2%
22 Italy 2 0.2%
23 Japan 2 0.2%
24 Denmark 1 0.1%
25 Australia 1 0.1%
26 Mauritius 1 0.1%
27 Singapore 1 0.1%
28 Viet Nam 1 0.1%