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 261 42.2%
2 Netherlands 150 24.2%
3 United States 118 19.1%
4 Germany 49 7.9%
5 Canada 11 1.8%
6 Hong Kong 8 1.3%
7 France 6 1%
8 Singapore 4 0.6%
9 India 3 0.5%
10 Japan 3 0.5%
11 Viet Nam 2 0.3%
12 United Kingdom 1 0.2%
13 Latvia 1 0.2%
14 Mauritius 1 0.2%
15 Serbia 1 0.2%