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 394 62%
2 United States 112 17.6%
3 Germany 60 9.4%
4 Russia 17 2.7%
5 Canada 14 2.2%
6 Ireland 9 1.4%
7 Netherlands 4 0.6%
8 Norway 4 0.6%
9 Australia 4 0.6%
10 France 4 0.6%
11 Turkey 3 0.5%
12 Singapore 2 0.3%
13 South Africa 2 0.3%
14 Sweden 2 0.3%
15 India 2 0.3%
16 Trinidad and Tobago 1 0.2%
17 Ukraine 1 0.2%