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 China 52 39.4%
2 United States 29 22%
3 Netherlands 19 14.4%
4 Germany 13 9.8%
5 Canada 6 4.5%
6 Hong Kong 3 2.3%
7 Czech Republic 2 1.5%
8 Latvia 2 1.5%
9 Taiwan 2 1.5%
10 Ukraine 1 0.8%
11 United Kingdom 1 0.8%
12 Portugal 1 0.8%
13 Korea, Republic of 1 0.8%