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 28 29.8%
2 United States 28 29.8%
3 Russia 9 9.6%
4 United Kingdom 9 9.6%
5 France 5 5.3%
6 Germany 4 4.3%
7 Estonia 4 4.3%
8 Czech Republic 2 2.1%
9 India 2 2.1%
10 Moldova, Republic of 1 1.1%
11 Poland 1 1.1%
12 Hong Kong 1 1.1%