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 584 71.9%
2 United States 87 10.7%
3 Germany 54 6.7%
4 Hong Kong 26 3.2%
5 Canada 25 3.1%
6 Netherlands 15 1.8%
7 Korea, Republic of 4 0.5%
8 Macao 4 0.5%
9 Taiwan 3 0.4%
10 United Kingdom 3 0.4%
11 Australia 2 0.2%
12 1 0.1%
13 Moldova, Republic of 1 0.1%
14 Indonesia 1 0.1%
15 Japan 1 0.1%
16 Singapore 1 0.1%