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 257 70.4%
2 United States 44 12.1%
3 Germany 29 7.9%
4 Canada 10 2.7%
5 Australia 6 1.6%
6 Netherlands 4 1.1%
7 Taiwan 3 0.8%
8 Singapore 2 0.5%
9 South Africa 2 0.5%
10 Viet Nam 2 0.5%
11 France 2 0.5%
12 Malaysia 2 0.5%
13 Hong Kong 1 0.3%
14 Czech Republic 1 0.3%