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 649 84%
2 United States 72 9.3%
3 Germany 29 3.8%
4 Hong Kong 7 0.9%
5 Malaysia 4 0.5%
6 Canada 3 0.4%
7 United Kingdom 3 0.4%
8 Colombia 2 0.3%
9 Brazil 2 0.3%
10 Argentina 1 0.1%
11 South Africa 1 0.1%