BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 United States 60 33.5%
2 China 56 31.3%
3 Russia 21 11.7%
4 Netherlands 19 10.6%
5 India 6 3.4%
6 Moldova, Republic of 4 2.2%
7 Canada 3 1.7%
8 Brazil 2 1.1%
9 Hong Kong 2 1.1%
10 Iran, Islamic Republic of 2 1.1%
11 Romania 2 1.1%
12 Ecuador 1 0.6%
13 Finland 1 0.6%