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 285 56.9%
2 United States 121 24.2%
3 Germany 38 7.6%
4 Canada 12 2.4%
5 Netherlands 7 1.4%
6 Hong Kong 7 1.4%
7 Malaysia 6 1.2%
8 Singapore 5 1%
9 Taiwan 4 0.8%
10 United Kingdom 3 0.6%
11 3 0.6%
12 Australia 2 0.4%
13 Venezuela, Bolivarian Republic of 2 0.4%
14 Russia 2 0.4%
15 France 1 0.2%
16 Ireland 1 0.2%
17 Luxembourg 1 0.2%
18 Macao 1 0.2%