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 346 84.4%
2 United States 26 6.3%
3 Taiwan 10 2.4%
4 Hong Kong 9 2.2%
5 Germany 5 1.2%
6 Korea, Republic of 3 0.7%
7 Netherlands 3 0.7%
8 New Zealand 3 0.7%
9 Japan 2 0.5%
10 Canada 2 0.5%
11 Spain 1 0.2%