BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 199 36.3%
2 China 171 31.2%
3 Netherlands 64 11.7%
4 Germany 46 8.4%
5 France 20 3.6%
6 Hong Kong 12 2.2%
7 Canada 11 2%
8 Portugal 7 1.3%
9 4 0.7%
10 Ukraine 3 0.5%
11 United Kingdom 2 0.4%
12 Taiwan 2 0.4%
13 Norway 2 0.4%
14 Czech Republic 2 0.4%
15 Australia 1 0.2%
16 Macao 1 0.2%
17 Sweden 1 0.2%