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 177 53.2%
2 United States 73 21.9%
3 Germany 33 9.9%
4 Hong Kong 15 4.5%
5 Canada 11 3.3%
6 Netherlands 10 3%
7 South Africa 2 0.6%
8 Taiwan 2 0.6%
9 Viet Nam 2 0.6%
10 Australia 2 0.6%
11 Macao 2 0.6%
12 Moldova, Republic of 1 0.3%
13 Japan 1 0.3%
14 Czech Republic 1 0.3%
15 France 1 0.3%