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 53 52.5%
2 United States 17 16.8%
3 Germany 9 8.9%
4 Netherlands 4 4%
5 France 4 4%
6 Thailand 4 4%
7 Hong Kong 3 3%
8 India 2 2%
9 Denmark 2 2%
10 Russia 1 1%
11 Saudi Arabia 1 1%
12 Korea, Republic of 1 1%