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 43 41.3%
2 Germany 14 13.5%
3 Netherlands 14 13.5%
4 United States 12 11.5%
5 Canada 4 3.8%
6 France 4 3.8%
7 Hong Kong 4 3.8%
8 Singapore 3 2.9%
9 Taiwan 3 2.9%
10 United Kingdom 1 1%
11 India 1 1%
12 Macao 1 1%