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 246 39%
2 United States 193 30.6%
3 Netherlands 124 19.7%
4 Canada 22 3.5%
5 Czech Republic 13 2.1%
6 Germany 10 1.6%
7 Korea, Republic of 9 1.4%
8 India 6 1%
9 France 2 0.3%
10 Georgia 1 0.2%
11 Ireland 1 0.2%
12 Philippines 1 0.2%
13 Taiwan 1 0.2%
14 Ukraine 1 0.2%