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 157 42.1%
2 United States 140 37.5%
3 Germany 29 7.8%
4 Canada 12 3.2%
5 Singapore 9 2.4%
6 Ireland 8 2.1%
7 Belgium 4 1.1%
8 Australia 4 1.1%
9 United Kingdom 3 0.8%
10 South Africa 2 0.5%
11 Austria 2 0.5%
12 Lithuania 1 0.3%
13 Russia 1 0.3%
14 Hong Kong 1 0.3%