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 152 60.3%
2 United States 38 15.1%
3 Netherlands 16 6.3%
4 Germany 13 5.2%
5 Singapore 9 3.6%
6 Hong Kong 7 2.8%
7 Ireland 3 1.2%
8 France 3 1.2%
9 Taiwan 3 1.2%
10 Sweden 2 0.8%
11 United Kingdom 2 0.8%
12 Australia 1 0.4%
13 Turkey 1 0.4%
14 Slovakia 1 0.4%
15 Israel 1 0.4%