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 398 53.9%
2 Netherlands 123 16.6%
3 United States 113 15.3%
4 Germany 53 7.2%
5 Canada 19 2.6%
6 Ireland 7 0.9%
7 France 6 0.8%
8 Russia 4 0.5%
9 Australia 3 0.4%
10 Belgium 2 0.3%
11 United Kingdom 2 0.3%
12 Korea, Republic of 2 0.3%
13 Macao 2 0.3%
14 Mauritius 1 0.1%
15 Norway 1 0.1%
16 Singapore 1 0.1%
17 Italy 1 0.1%
18 India 1 0.1%