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 256 60.5%
2 United States 85 20.1%
3 Germany 44 10.4%
4 Netherlands 22 5.2%
5 Canada 5 1.2%
6 Macao 3 0.7%
7 Hong Kong 2 0.5%
8 Taiwan 2 0.5%
9 United Kingdom 1 0.2%
10 New Zealand 1 0.2%
11 Russia 1 0.2%
12 Singapore 1 0.2%