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 34 42%
2 China 16 19.8%
3 Russia 11 13.6%
4 United Kingdom 11 13.6%
5 Ukraine 3 3.7%
6 Germany 2 2.5%
7 Hong Kong 1 1.2%
8 India 1 1.2%
9 Moldova, Republic of 1 1.2%
10 France 1 1.2%