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 United States 118 48.2%
2 China 52 21.2%
3 Netherlands 18 7.3%
4 Germany 15 6.1%
5 Taiwan 14 5.7%
6 Korea, Republic of 12 4.9%
7 Canada 9 3.7%
8 Russia 4 1.6%
9 Singapore 1 0.4%
10 United Kingdom 1 0.4%
11 India 1 0.4%