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 42.8%
2 Germany 37 22.3%
3 United States 26 15.7%
4 Korea, Republic of 7 4.2%
5 Netherlands 5 3%
6 Canada 5 3%
7 Singapore 4 2.4%
8 Hong Kong 3 1.8%
9 Spain 2 1.2%
10 France 2 1.2%
11 Bangladesh 1 0.6%
12 Slovakia 1 0.6%
13 Ukraine 1 0.6%
14 United Kingdom 1 0.6%