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 410 67.2%
2 United States 149 24.4%
3 Germany 13 2.1%
4 Taiwan 11 1.8%
5 Hong Kong 9 1.5%
6 Netherlands 6 1%
7 Malaysia 5 0.8%
8 Cambodia 2 0.3%
9 Switzerland 2 0.3%
10 Moldova, Republic of 1 0.2%
11 Singapore 1 0.2%
12 Japan 1 0.2%