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 394 75.5%
2 United States 64 12.3%
3 Germany 23 4.4%
4 Canada 15 2.9%
5 Australia 6 1.1%
6 United Kingdom 5 1%
7 Russia 3 0.6%
8 Finland 3 0.6%
9 Hong Kong 3 0.6%
10 South Africa 2 0.4%
11 India 1 0.2%
12 Malaysia 1 0.2%
13 Mongolia 1 0.2%
14 France 1 0.2%