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 China 91 56.9%
2 United States 35 21.9%
3 Canada 7 4.4%
4 Russia 7 4.4%
5 Germany 5 3.1%
6 Moldova, Republic of 4 2.5%
7 Netherlands 3 1.9%
8 Hong Kong 3 1.9%
9 France 2 1.2%
10 Romania 2 1.2%
11 Ukraine 1 0.6%