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 10 22.2%
2 Singapore 9 20%
3 China 7 15.6%
4 Hong Kong 5 11.1%
5 Netherlands 3 6.7%
6 Sweden 3 6.7%
7 Spain 2 4.4%
8 Bulgaria 2 4.4%
9 Canada 2 4.4%
10 France 1 2.2%
11 Malaysia 1 2.2%