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 619 44.6%
2 United States 281 20.3%
3 Netherlands 149 10.7%
4 Germany 104 7.5%
5 Russia 92 6.6%
6 France 85 6.1%
7 Canada 22 1.6%
8 Czech Republic 17 1.2%
9 India 3 0.2%
10 South Africa 2 0.1%
11 Ecuador 2 0.1%
12 Australia 2 0.1%
13 Hong Kong 2 0.1%
14 Portugal 2 0.1%
15 Argentina 1 0.1%
16 Ukraine 1 0.1%
17 United Kingdom 1 0.1%
18 Japan 1 0.1%
19 Norway 1 0.1%