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 30 34.9%
2 China 20 23.3%
3 United Kingdom 10 11.6%
4 Russia 9 10.5%
5 Hong Kong 4 4.7%
6 Germany 3 3.5%
7 France 2 2.3%
8 India 2 2.3%
9 Netherlands 2 2.3%
10 Moldova, Republic of 1 1.2%
11 Ukraine 1 1.2%
12 Czech Republic 1 1.2%
13 Estonia 1 1.2%