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 27 37%
2 United States 19 26%
3 United Kingdom 13 17.8%
4 Russia 6 8.2%
5 India 2 2.7%
6 Latvia 2 2.7%
7 Moldova, Republic of 1 1.4%
8 Estonia 1 1.4%
9 France 1 1.4%
10 Hong Kong 1 1.4%