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 387 55%
2 United States 106 15.1%
3 Netherlands 93 13.2%
4 Germany 64 9.1%
5 Canada 19 2.7%
6 France 5 0.7%
7 Hong Kong 4 0.6%
8 United Kingdom 4 0.6%
9 Australia 3 0.4%
10 Russia 3 0.4%
11 Singapore 3 0.4%
12 Sweden 3 0.4%
13 Chile 3 0.4%
14 Iceland 2 0.3%
15 Portugal 2 0.3%
16 Thailand 2 0.3%