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 China 137 57.3%
2 United States 58 24.3%
3 France 7 2.9%
4 Germany 7 2.9%
5 Denmark 6 2.5%
6 India 5 2.1%
7 Canada 4 1.7%
8 Netherlands 3 1.3%
9 Russia 2 0.8%
10 Ukraine 2 0.8%
11 Australia 2 0.8%
12 Iran, Islamic Republic of 2 0.8%
13 Italy 2 0.8%
14 Hong Kong 2 0.8%