BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 China 71 43.8%
2 United States 35 21.6%
3 Germany 21 13%
4 Korea, Republic of 12 7.4%
5 Egypt 12 7.4%
6 France 5 3.1%
7 Singapore 2 1.2%
8 Taiwan 1 0.6%
9 Netherlands 1 0.6%
10 Russia 1 0.6%
11 Bulgaria 1 0.6%