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 154 56.6%
2 United States 64 23.5%
3 Germany 16 5.9%
4 France 13 4.8%
5 India 5 1.8%
6 Philippines 4 1.5%
7 Russia 4 1.5%
8 Ukraine 3 1.1%
9 Singapore 2 0.7%
10 Ireland 2 0.7%
11 Macao 1 0.4%
12 Norway 1 0.4%
13 Greece 1 0.4%
14 Taiwan 1 0.4%
15 Canada 1 0.4%