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 49 55.1%
2 United States 13 14.6%
3 Canada 9 10.1%
4 Hong Kong 5 5.6%
5 Taiwan 4 4.5%
6 Germany 3 3.4%
7 Japan 2 2.2%
8 Korea, Republic of 1 1.1%
9 Singapore 1 1.1%
10 Jamaica 1 1.1%
11 France 1 1.1%