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 322 67.6%
2 United States 85 17.9%
3 Germany 33 6.9%
4 Hong Kong 10 2.1%
5 Canada 6 1.3%
6 Singapore 5 1.1%
7 Taiwan 3 0.6%
8 Ukraine 3 0.6%
9 Philippines 2 0.4%
10 Australia 2 0.4%
11 Austria 1 0.2%
12 Japan 1 0.2%
13 Malaysia 1 0.2%
14 Netherlands 1 0.2%
15 Turkey 1 0.2%