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 205 53.8%
2 United States 81 21.3%
3 Germany 37 9.7%
4 Hong Kong 16 4.2%
5 Canada 8 2.1%
6 Taiwan 6 1.6%
7 Singapore 4 1%
8 Ireland 4 1%
9 Denmark 4 1%
10 Korea, Republic of 3 0.8%
11 Malaysia 3 0.8%
12 Russia 3 0.8%
13 Portugal 2 0.5%
14 Italy 2 0.5%
15 Japan 1 0.3%
16 Panama 1 0.3%
17 Ukraine 1 0.3%