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 26 27.1%
2 United States 15 15.6%
3 Netherlands 14 14.6%
4 Sweden 9 9.4%
5 Australia 7 7.3%
6 Hong Kong 6 6.2%
7 Russia 4 4.2%
8 Saudi Arabia 4 4.2%
9 Malaysia 3 3.1%
10 Venezuela, Bolivarian Republic of 3 3.1%
11 Taiwan 2 2.1%
12 Singapore 2 2.1%
13 Canada 1 1%