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 135 50.4%
2 United States 47 17.5%
3 Germany 40 14.9%
4 Canada 17 6.3%
5 Greece 8 3%
6 Australia 4 1.5%
7 France 4 1.5%
8 Sweden 2 0.7%
9 Taiwan 2 0.7%
10 Hong Kong 2 0.7%
11 India 2 0.7%
12 Singapore 2 0.7%
13 Slovakia 1 0.4%
14 Finland 1 0.4%
15 Ukraine 1 0.4%