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 192 62.5%
2 United States 48 15.6%
3 Germany 30 9.8%
4 Canada 14 4.6%
5 Taiwan 6 2%
6 Hong Kong 5 1.6%
7 India 3 1%
8 Netherlands 3 1%
9 Malaysia 2 0.7%
10 Moldova, Republic of 2 0.7%
11 Singapore 1 0.3%
12 Ireland 1 0.3%