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 173 63.6%
2 United States 37 13.6%
3 Germany 36 13.2%
4 Hong Kong 5 1.8%
5 Taiwan 5 1.8%
6 Brazil 3 1.1%
7 United Kingdom 2 0.7%
8 France 2 0.7%
9 India 2 0.7%
10 Macao 2 0.7%
11 Malaysia 2 0.7%
12 Mexico 2 0.7%
13 Russia 1 0.4%