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 86 44.3%
2 United States 37 19.1%
3 Netherlands 18 9.3%
4 Taiwan 16 8.2%
5 Sweden 12 6.2%
6 Germany 8 4.1%
7 Hong Kong 8 4.1%
8 Canada 3 1.5%
9 India 2 1%
10 Macao 2 1%
11 Romania 1 0.5%
12 Spain 1 0.5%