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 China 127 54.7%
2 United States 72 31%
3 Hong Kong 11 4.7%
4 Taiwan 7 3%
5 Germany 6 2.6%
6 Canada 2 0.9%
7 South Africa 2 0.9%
8 Japan 1 0.4%
9 Netherlands 1 0.4%
10 Portugal 1 0.4%
11 Russia 1 0.4%
12 Singapore 1 0.4%