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 147 55.5%
2 United States 70 26.4%
3 Germany 30 11.3%
4 Canada 3 1.1%
5 Viet Nam 3 1.1%
6 Taiwan 2 0.8%
7 Ukraine 2 0.8%
8 France 2 0.8%
9 Hong Kong 2 0.8%
10 Ireland 1 0.4%
11 Moldova, Republic of 1 0.4%
12 Romania 1 0.4%
13 Australia 1 0.4%