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 206 49.3%
2 United States 142 34%
3 Germany 42 10%
4 Hong Kong 6 1.4%
5 United Kingdom 5 1.2%
6 Canada 2 0.5%
7 Switzerland 2 0.5%
8 Thailand 2 0.5%
9 India 2 0.5%
10 Macao 2 0.5%
11 New Zealand 2 0.5%
12 Palau 2 0.5%
13 Russia 1 0.2%
14 Ukraine 1 0.2%
15 Taiwan 1 0.2%