BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 40 38.1%
2 United States 20 19%
3 Germany 13 12.4%
4 Netherlands 13 12.4%
5 Korea, Republic of 5 4.8%
6 United Kingdom 4 3.8%
7 Japan 3 2.9%
8 Ireland 2 1.9%
9 Brazil 2 1.9%
10 Canada 2 1.9%
11 Russia 1 1%