BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 86 53.1%
2 United States 40 24.7%
3 Germany 9 5.6%
4 France 7 4.3%
5 Russia 4 2.5%
6 United Kingdom 3 1.9%
7 Hong Kong 3 1.9%
8 Netherlands 3 1.9%
9 Philippines 2 1.2%
10 Lithuania 2 1.2%
11 Moldova, Republic of 1 0.6%
12 India 1 0.6%
13 Viet Nam 1 0.6%