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 36 45.6%
2 United States 15 19%
3 Hong Kong 9 11.4%
4 Germany 6 7.6%
5 Japan 5 6.3%
6 Malaysia 2 2.5%
7 Venezuela, Bolivarian Republic of 2 2.5%
8 France 1 1.3%
9 Netherlands 1 1.3%
10 Russia 1 1.3%
11 Taiwan 1 1.3%