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 44%
2 United Kingdom 13 15.5%
3 China 13 15.5%
4 Russia 9 10.7%
5 Estonia 2 2.4%
6 France 2 2.4%
7 India 2 2.4%
8 Korea, Republic of 1 1.2%
9 Latvia 1 1.2%
10 Moldova, Republic of 1 1.2%
11 Poland 1 1.2%
12 Hong Kong 1 1.2%
13 Czech Republic 1 1.2%