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 255 56.7%
2 United States 84 18.7%
3 Germany 29 6.4%
4 Hong Kong 23 5.1%
5 Canada 13 2.9%
6 Netherlands 9 2%
7 Singapore 7 1.6%
8 Ukraine 6 1.3%
9 France 5 1.1%
10 Australia 4 0.9%
11 Taiwan 4 0.9%
12 Russia 3 0.7%
13 Ireland 3 0.7%
14 Japan 3 0.7%
15 Venezuela, Bolivarian Republic of 2 0.4%