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 157 52%
2 United States 53 17.5%
3 Germany 28 9.3%
4 Netherlands 16 5.3%
5 Canada 15 5%
6 Malaysia 9 3%
7 Singapore 8 2.6%
8 Hong Kong 5 1.7%
9 Thailand 4 1.3%
10 Hungary 3 1%
11 Taiwan 2 0.7%
12 Ukraine 1 0.3%
13 Russia 1 0.3%