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 168 60.4%
2 United States 39 14%
3 Germany 29 10.4%
4 France 13 4.7%
5 Ireland 7 2.5%
6 Taiwan 6 2.2%
7 Russia 5 1.8%
8 Singapore 4 1.4%
9 Spain 2 0.7%
10 Hong Kong 2 0.7%
11 Netherlands 2 0.7%
12 Korea, Republic of 1 0.4%