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 1012 54.9%
2 United States 300 16.3%
3 Netherlands 220 11.9%
4 France 94 5.1%
5 Germany 87 4.7%
6 Russia 35 1.9%
7 Canada 24 1.3%
8 Hong Kong 18 1%
9 Czech Republic 15 0.8%
10 Malaysia 10 0.5%
11 India 5 0.3%
12 Singapore 4 0.2%
13 Korea, Republic of 4 0.2%
14 Japan 3 0.2%
15 Taiwan 3 0.2%
16 Ukraine 3 0.2%
17 Sweden 2 0.1%
18 Peru 2 0.1%
19 Thailand 1 0.1%
20 Italy 1 0.1%
21 Australia 1 0.1%
22 United Kingdom 1 0.1%