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 157 57.1%
2 United States 41 14.9%
3 Germany 30 10.9%
4 Netherlands 21 7.6%
5 Canada 8 2.9%
6 Hong Kong 4 1.5%
7 France 4 1.5%
8 India 3 1.1%
9 Greece 2 0.7%
10 Chile 2 0.7%
11 United Kingdom 2 0.7%
12 Czech Republic 1 0.4%