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 298 47.8%
2 United States 142 22.8%
3 Netherlands 68 10.9%
4 Germany 49 7.9%
5 Canada 17 2.7%
6 Sweden 10 1.6%
7 Taiwan 6 1%
8 France 5 0.8%
9 Singapore 4 0.6%
10 Australia 4 0.6%
11 India 3 0.5%
12 United Kingdom 3 0.5%
13 Ukraine 2 0.3%
14 Ireland 2 0.3%
15 Japan 2 0.3%
16 Hong Kong 2 0.3%
17 Oman 2 0.3%
18 Russia 2 0.3%
19 Serbia 1 0.2%
20 Korea, Republic of 1 0.2%
21 Czech Republic 1 0.2%