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 120 49.8%
2 China 51 21.2%
3 Netherlands 26 10.8%
4 Canada 23 9.5%
5 Egypt 7 2.9%
6 Hong Kong 4 1.7%
7 Taiwan 4 1.7%
8 India 2 0.8%
9 Iran, Islamic Republic of 1 0.4%
10 Russia 1 0.4%
11 France 1 0.4%
12 Australia 1 0.4%