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 37 41.1%
2 China 24 26.7%
3 United Kingdom 13 14.4%
4 Estonia 3 3.3%
5 France 2 2.2%
6 India 2 2.2%
7 Poland 2 2.2%
8 Russia 1 1.1%
9 Canada 1 1.1%
10 Moldova, Republic of 1 1.1%
11 Netherlands 1 1.1%
12 Czech Republic 1 1.1%
13 Germany 1 1.1%
14 Hong Kong 1 1.1%