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 53 30.8%
2 China 52 30.2%
3 Germany 20 11.6%
4 Netherlands 18 10.5%
5 Korea, Republic of 8 4.7%
6 Canada 6 3.5%
7 Hong Kong 6 3.5%
8 United Kingdom 3 1.7%
9 Switzerland 2 1.2%
10 France 2 1.2%
11 Russia 1 0.6%
12 Taiwan 1 0.6%