BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 United States 101 53.4%
2 China 41 21.7%
3 Netherlands 16 8.5%
4 Germany 10 5.3%
5 Hong Kong 4 2.1%
6 Iran, Islamic Republic of 4 2.1%
7 Canada 4 2.1%
8 Australia 2 1.1%
9 Malaysia 2 1.1%
10 Taiwan 2 1.1%
11 United Kingdom 1 0.5%
12 Russia 1 0.5%
13 Spain 1 0.5%