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 214 60.6%
2 United States 83 23.5%
3 Germany 28 7.9%
4 Taiwan 10 2.8%
5 Philippines 5 1.4%
6 4 1.1%
7 Singapore 3 0.8%
8 India 2 0.6%
9 Isle of Man 1 0.3%
10 Korea, Republic of 1 0.3%
11 Moldova, Republic of 1 0.3%
12 Netherlands 1 0.3%