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 175 47.7%
2 United States 113 30.8%
3 Germany 30 8.2%
4 Canada 22 6%
5 Hong Kong 11 3%
6 Russia 5 1.4%
7 Singapore 3 0.8%
8 United Kingdom 2 0.5%
9 Brazil 2 0.5%
10 France 2 0.5%
11 Australia 1 0.3%
12 Chile 1 0.3%