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 356 59.1%
2 United States 133 22.1%
3 Germany 41 6.8%
4 Hong Kong 18 3%
5 Taiwan 11 1.8%
6 Singapore 9 1.5%
7 United Kingdom 8 1.3%
8 Russia 5 0.8%
9 Japan 5 0.8%
10 South Africa 3 0.5%
11 Belgium 2 0.3%
12 Canada 2 0.3%
13 Chile 2 0.3%
14 Netherlands 2 0.3%
15 Australia 1 0.2%
16 Korea, Republic of 1 0.2%
17 Sweden 1 0.2%
18 Slovakia 1 0.2%
19 Ukraine 1 0.2%