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 24 32.4%
2 United States 18 24.3%
3 United Kingdom 7 9.5%
4 Netherlands 6 8.1%
5 Germany 5 6.8%
6 France 4 5.4%
7 Estonia 3 4.1%
8 India 3 4.1%
9 Russia 2 2.7%
10 Moldova, Republic of 1 1.4%
11 Canada 1 1.4%