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 243 66.4%
2 United States 56 15.3%
3 Germany 37 10.1%
4 Canada 16 4.4%
5 Argentina 3 0.8%
6 India 3 0.8%
7 Singapore 2 0.5%
8 Hong Kong 2 0.5%
9 South Africa 1 0.3%
10 Taiwan 1 0.3%
11 Austria 1 0.3%
12 Czech Republic 1 0.3%