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 163 65.5%
2 United States 50 20.1%
3 Germany 9 3.6%
4 Canada 8 3.2%
5 France 6 2.4%
6 Korea, Republic of 4 1.6%
7 Russia 3 1.2%
8 2 0.8%
9 Bulgaria 1 0.4%
10 Ukraine 1 0.4%
11 United Kingdom 1 0.4%
12 India 1 0.4%