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 199 61.2%
2 United States 54 16.6%
3 Germany 36 11.1%
4 Taiwan 7 2.2%
5 Hong Kong 6 1.8%
6 United Kingdom 5 1.5%
7 Ireland 4 1.2%
8 Japan 4 1.2%
9 Malaysia 3 0.9%
10 France 3 0.9%
11 South Africa 2 0.6%
12 Belgium 2 0.6%