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 153 64.6%
2 United States 46 19.4%
3 Germany 8 3.4%
4 Japan 6 2.5%
5 Korea, Republic of 6 2.5%
6 Canada 5 2.1%
7 Bulgaria 3 1.3%
8 Ireland 3 1.3%
9 Lithuania 2 0.8%
10 Norway 1 0.4%
11 Russia 1 0.4%
12 Singapore 1 0.4%
13 Spain 1 0.4%
14 Ukraine 1 0.4%