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 188 39.5%
2 China 110 23.1%
3 Netherlands 61 12.8%
4 Germany 51 10.7%
5 France 20 4.2%
6 Hong Kong 12 2.5%
7 Canada 8 1.7%
8 Portugal 7 1.5%
9 6 1.3%
10 Taiwan 4 0.8%
11 Viet Nam 2 0.4%
12 United Kingdom 2 0.4%
13 Latvia 2 0.4%
14 Australia 1 0.2%
15 Czech Republic 1 0.2%
16 Ukraine 1 0.2%