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 191 57.4%
2 United States 56 16.8%
3 Germany 39 11.7%
4 Canada 11 3.3%
5 Australia 10 3%
6 Taiwan 7 2.1%
7 Netherlands 4 1.2%
8 Singapore 3 0.9%
9 Philippines 2 0.6%
10 Korea, Republic of 2 0.6%
11 Russia 2 0.6%
12 Bangladesh 2 0.6%
13 Austria 1 0.3%
14 Hong Kong 1 0.3%
15 France 1 0.3%
16 Romania 1 0.3%