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 42 36.2%
2 Hong Kong 17 14.7%
3 United States 14 12.1%
4 Germany 12 10.3%
5 South Africa 11 9.5%
6 India 6 5.2%
7 Netherlands 4 3.4%
8 United Kingdom 3 2.6%
9 Switzerland 2 1.7%
10 Taiwan 2 1.7%
11 Georgia 2 1.7%
12 Cyprus 1 0.9%