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 272 44.4%
2 United States 178 29.1%
3 Germany 29 4.7%
4 Hong Kong 24 3.9%
5 Canada 24 3.9%
6 Korea, Republic of 20 3.3%
7 Taiwan 13 2.1%
8 Malaysia 11 1.8%
9 Australia 8 1.3%
10 Japan 8 1.3%
11 Singapore 8 1.3%
12 Netherlands 4 0.7%
13 France 3 0.5%
14 Ireland 3 0.5%
15 United Kingdom 3 0.5%
16 Ukraine 1 0.2%
17 Sweden 1 0.2%
18 Poland 1 0.2%
19 Romania 1 0.2%