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 74 52.5%
2 United States 25 17.7%
3 Germany 18 12.8%
4 Canada 5 3.5%
5 South Africa 5 3.5%
6 France 4 2.8%
7 Hong Kong 3 2.1%
8 Colombia 2 1.4%
9 Taiwan 2 1.4%
10 Sweden 1 0.7%
11 Ireland 1 0.7%
12 Portugal 1 0.7%