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 249 50%
2 United States 110 22.1%
3 Germany 38 7.6%
4 Canada 30 6%
5 Hong Kong 15 3%
6 Taiwan 11 2.2%
7 Russia 10 2%
8 Ireland 8 1.6%
9 Japan 6 1.2%
10 Netherlands 4 0.8%
11 Singapore 3 0.6%
12 Viet Nam 3 0.6%
13 Ukraine 2 0.4%
14 Switzerland 2 0.4%
15 Philippines 2 0.4%
16 Korea, Republic of 2 0.4%
17 2 0.4%
18 Ethiopia 1 0.2%