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 234 59.2%
2 United States 69 17.5%
3 Canada 38 9.6%
4 Germany 31 7.8%
5 Hong Kong 5 1.3%
6 Russia 5 1.3%
7 United Kingdom 4 1%
8 Netherlands 2 0.5%
9 2 0.5%
10 Australia 2 0.5%
11 France 1 0.3%
12 Moldova, Republic of 1 0.3%
13 Singapore 1 0.3%