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 216 42.6%
2 United States 215 42.4%
3 Germany 34 6.7%
4 Canada 13 2.6%
5 Hong Kong 7 1.4%
6 Australia 5 1%
7 Russia 3 0.6%
8 Austria 2 0.4%
9 Taiwan 2 0.4%
10 Korea, Republic of 2 0.4%
11 Malaysia 2 0.4%
12 Mexico 2 0.4%
13 Netherlands 2 0.4%
14 Japan 1 0.2%
15 Singapore 1 0.2%