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 472 40.2%
2 United States 429 36.5%
3 Netherlands 81 6.9%
4 Germany 74 6.3%
5 France 34 2.9%
6 Sweden 22 1.9%
7 Korea, Republic of 10 0.9%
8 Canada 10 0.9%
9 Cote D'ivoire 10 0.9%
10 India 9 0.8%
11 Togo 8 0.7%
12 Russia 4 0.3%
13 Australia 2 0.2%
14 Hong Kong 1 0.1%
15 Denmark 1 0.1%
16 Finland 1 0.1%
17 Singapore 1 0.1%
18 Spain 1 0.1%
19 Philippines 1 0.1%
20 Poland 1 0.1%
21 Mauritius 1 0.1%
22 Switzerland 1 0.1%
23 Taiwan 1 0.1%