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 31 34.1%
2 China 23 25.3%
3 United Kingdom 15 16.5%
4 Russia 7 7.7%
5 France 4 4.4%
6 Turkey 3 3.3%
7 Czech Republic 2 2.2%
8 Estonia 2 2.2%
9 Ukraine 1 1.1%
10 Hong Kong 1 1.1%
11 India 1 1.1%
12 Moldova, Republic of 1 1.1%