BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 87 51.8%
2 United States 27 16.1%
3 Netherlands 18 10.7%
4 Germany 10 6%
5 France 7 4.2%
6 Japan 5 3%
7 Korea, Republic of 5 3%
8 Canada 4 2.4%
9 Russia 2 1.2%
10 Taiwan 2 1.2%
11 Hong Kong 1 0.6%