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 28 30.4%
2 United States 28 30.4%
3 United Kingdom 16 17.4%
4 Russia 8 8.7%
5 India 2 2.2%
6 Czech Republic 2 2.2%
7 Estonia 2 2.2%
8 Netherlands 2 2.2%
9 France 1 1.1%
10 Hong Kong 1 1.1%
11 Moldova, Republic of 1 1.1%
12 Ukraine 1 1.1%