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 31.6%
2 United States 37 27.2%
3 Germany 16 11.8%
4 Hong Kong 11 8.1%
5 South Africa 10 7.4%
6 Taiwan 3 2.2%
7 Italy 3 2.2%
8 France 3 2.2%
9 Austria 3 2.2%
10 Canada 3 2.2%
11 Australia 2 1.5%
12 Netherlands 1 0.7%
13 India 1 0.7%