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 122 62.9%
2 United States 32 16.5%
3 Canada 7 3.6%
4 Taiwan 6 3.1%
5 Netherlands 6 3.1%
6 Germany 5 2.6%
7 Hong Kong 5 2.6%
8 France 4 2.1%
9 Macao 2 1%
10 United Kingdom 2 1%
11 Nigeria 1 0.5%
12 Singapore 1 0.5%
13 Switzerland 1 0.5%