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 668 55.8%
2 Netherlands 169 14.1%
3 United States 161 13.4%
4 France 80 6.7%
5 Germany 53 4.4%
6 Hong Kong 19 1.6%
7 Canada 18 1.5%
8 Russia 6 0.5%
9 Singapore 6 0.5%
10 India 5 0.4%
11 Korea, Republic of 5 0.4%
12 Hungary 3 0.3%
13 Ireland 2 0.2%
14 Japan 1 0.1%
15 Belgium 1 0.1%
16 Czech Republic 1 0.1%