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 968 79%
2 United States 150 12.2%
3 Germany 33 2.7%
4 Canada 32 2.6%
5 Taiwan 10 0.8%
6 Hong Kong 7 0.6%
7 Ireland 7 0.6%
8 Japan 5 0.4%
9 Singapore 4 0.3%
10 Netherlands 3 0.2%
11 Italy 2 0.2%
12 Brazil 2 0.2%
13 France 2 0.2%
14 Russia 1 0.1%