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 40 43%
2 China 15 16.1%
3 Russia 14 15.1%
4 United Kingdom 11 11.8%
5 Estonia 3 3.2%
6 France 2 2.2%
7 India 2 2.2%
8 Latvia 1 1.1%
9 Moldova, Republic of 1 1.1%
10 Czech Republic 1 1.1%
11 Germany 1 1.1%
12 Hong Kong 1 1.1%
13 Australia 1 1.1%