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 248 43.4%
2 United States 127 22.2%
3 Netherlands 106 18.5%
4 Germany 30 5.2%
5 Canada 19 3.3%
6 Russia 18 3.1%
7 Hong Kong 8 1.4%
8 France 4 0.7%
9 Taiwan 3 0.5%
10 Singapore 2 0.3%
11 Sweden 2 0.3%
12 Macao 2 0.3%
13 Israel 1 0.2%
14 Japan 1 0.2%
15 Turkey 1 0.2%