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 247 44.7%
2 China 126 22.8%
3 Netherlands 61 11.1%
4 Germany 50 9.1%
5 France 22 4%
6 Hong Kong 12 2.2%
7 Canada 8 1.4%
8 Portugal 7 1.3%
9 Taiwan 4 0.7%
10 4 0.7%
11 Japan 3 0.5%
12 United Kingdom 3 0.5%
13 Hungary 2 0.4%
14 Latvia 1 0.2%
15 Czech Republic 1 0.2%
16 Ukraine 1 0.2%