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 29 42.6%
2 United States 15 22.1%
3 Germany 6 8.8%
4 Taiwan 5 7.4%
5 Hong Kong 4 5.9%
6 United Kingdom 3 4.4%
7 Switzerland 2 2.9%
8 Thailand 1 1.5%
9 Macao 1 1.5%
10 New Zealand 1 1.5%
11 Singapore 1 1.5%