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 38 38.8%
2 United States 20 20.4%
3 United Kingdom 12 12.2%
4 Russia 8 8.2%
5 France 4 4.1%
6 Canada 3 3.1%
7 Singapore 2 2%
8 Latvia 2 2%
9 Germany 2 2%
10 Czech Republic 2 2%
11 Estonia 1 1%
12 Finland 1 1%
13 Hong Kong 1 1%
14 India 1 1%
15 Moldova, Republic of 1 1%