BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 41 45.6%
2 China 26 28.9%
3 Hong Kong 5 5.6%
4 France 3 3.3%
5 Singapore 3 3.3%
6 South Africa 3 3.3%
7 Spain 2 2.2%
8 Bulgaria 2 2.2%
9 United Kingdom 2 2.2%
10 Taiwan 1 1.1%
11 Japan 1 1.1%
12 Poland 1 1.1%