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 163 52.6%
2 United States 77 24.8%
3 Taiwan 16 5.2%
4 Germany 14 4.5%
5 Netherlands 10 3.2%
6 Hong Kong 8 2.6%
7 Australia 8 2.6%
8 Japan 7 2.3%
9 France 3 1%
10 Korea, Republic of 2 0.6%
11 Argentina 1 0.3%
12 Singapore 1 0.3%