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 186 50.1%
2 United States 109 29.4%
3 Germany 29 7.8%
4 Canada 12 3.2%
5 Hong Kong 8 2.2%
6 Taiwan 6 1.6%
7 Macao 4 1.1%
8 Russia 4 1.1%
9 Singapore 3 0.8%
10 Australia 3 0.8%
11 Austria 2 0.5%
12 France 2 0.5%
13 Ukraine 2 0.5%
14 Brazil 1 0.3%