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 29 32.6%
2 United States 27 30.3%
3 United Kingdom 11 12.4%
4 Russia 8 9%
5 France 4 4.5%
6 Netherlands 3 3.4%
7 Czech Republic 2 2.2%
8 Germany 1 1.1%
9 Hong Kong 1 1.1%
10 India 1 1.1%
11 Latvia 1 1.1%
12 Moldova, Republic of 1 1.1%