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 67 60.4%
2 United States 12 10.8%
3 Netherlands 10 9%
4 France 7 6.3%
5 Hong Kong 4 3.6%
6 India 3 2.7%
7 Taiwan 3 2.7%
8 Korea, Republic of 2 1.8%
9 Lithuania 2 1.8%
10 Germany 1 0.9%