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 United States 30 27.5%
2 China 26 23.9%
3 Germany 15 13.8%
4 Netherlands 12 11%
5 India 9 8.3%
6 Taiwan 8 7.3%
7 Ireland 5 4.6%
8 Venezuela, Bolivarian Republic of 2 1.8%
9 Hong Kong 1 0.9%
10 France 1 0.9%