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 100 40.8%
2 China 63 25.7%
3 Netherlands 38 15.5%
4 Germany 13 5.3%
5 Russia 10 4.1%
6 Korea, Republic of 8 3.3%
7 India 6 2.4%
8 South Africa 2 0.8%
9 Philippines 2 0.8%
10 Romania 1 0.4%
11 Taiwan 1 0.4%
12 Finland 1 0.4%