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 223 47.5%
2 United States 117 24.9%
3 Germany 36 7.7%
4 Hong Kong 29 6.2%
5 Taiwan 21 4.5%
6 Japan 10 2.1%
7 Australia 6 1.3%
8 Canada 5 1.1%
9 Singapore 4 0.9%
10 Romania 3 0.6%
11 Macao 2 0.4%
12 Netherlands 2 0.4%
13 Sweden 2 0.4%
14 Ukraine 2 0.4%
15 United Kingdom 2 0.4%
16 Russia 1 0.2%
17 Czech Republic 1 0.2%
18 Kenya 1 0.2%
19 Korea, Republic of 1 0.2%
20 Lithuania 1 0.2%