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 191 78.6%
2 United States 27 11.1%
3 Taiwan 7 2.9%
4 Hong Kong 5 2.1%
5 Korea, Republic of 5 2.1%
6 Netherlands 3 1.2%
7 Russia 1 0.4%
8 Singapore 1 0.4%
9 Japan 1 0.4%
10 Denmark 1 0.4%
11 France 1 0.4%