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 344 62.1%
2 United States 95 17.1%
3 Germany 32 5.8%
4 Canada 21 3.8%
5 Taiwan 21 3.8%
6 Hong Kong 18 3.2%
7 Singapore 6 1.1%
8 Malaysia 3 0.5%
9 Australia 3 0.5%
10 Denmark 2 0.4%
11 Korea, Republic of 2 0.4%
12 Philippines 2 0.4%
13 Sweden 1 0.2%
14 Ukraine 1 0.2%
15 France 1 0.2%
16 Mexico 1 0.2%
17 Japan 1 0.2%