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 184 67.6%
2 United States 48 17.6%
3 Germany 8 2.9%
4 Canada 5 1.8%
5 United Kingdom 5 1.8%
6 Korea, Republic of 5 1.8%
7 Japan 4 1.5%
8 3 1.1%
9 France 2 0.7%
10 Sweden 2 0.7%
11 Ukraine 1 0.4%
12 Bulgaria 1 0.4%
13 Latvia 1 0.4%
14 Malaysia 1 0.4%
15 Netherlands 1 0.4%
16 Singapore 1 0.4%