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 340 50.9%
2 United States 168 25.1%
3 Germany 46 6.9%
4 Canada 42 6.3%
5 Netherlands 33 4.9%
6 Singapore 17 2.5%
7 Hong Kong 6 0.9%
8 Macao 4 0.6%
9 Taiwan 3 0.4%
10 Korea, Republic of 3 0.4%
11 Japan 2 0.3%
12 Australia 2 0.3%
13 Brazil 1 0.1%
14 France 1 0.1%