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 479 46.6%
2 United States 287 27.9%
3 Netherlands 75 7.3%
4 Germany 58 5.6%
5 France 30 2.9%
6 Hong Kong 21 2%
7 Sweden 19 1.8%
8 Canada 13 1.3%
9 Korea, Republic of 10 1%
10 India 8 0.8%
11 Russia 7 0.7%
12 Taiwan 7 0.7%
13 Moldova, Republic of 3 0.3%
14 Switzerland 2 0.2%
15 Israel 2 0.2%
16 Brazil 2 0.2%
17 Cote D'ivoire 2 0.2%
18 Togo 2 0.2%
19 Philippines 1 0.1%
20 Mauritius 1 0.1%