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 195 35.6%
2 China 186 34%
3 Germany 54 9.9%
4 Netherlands 42 7.7%
5 France 23 4.2%
6 Hong Kong 14 2.6%
7 Taiwan 8 1.5%
8 Portugal 7 1.3%
9 Canada 4 0.7%
10 4 0.7%
11 Norway 2 0.4%
12 Ukraine 2 0.4%
13 United Kingdom 2 0.4%
14 Trinidad and Tobago 1 0.2%
15 Sweden 1 0.2%
16 Australia 1 0.2%
17 Czech Republic 1 0.2%