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 28 34.6%
2 Netherlands 17 21%
3 Taiwan 9 11.1%
4 United States 9 11.1%
5 Canada 5 6.2%
6 Hong Kong 3 3.7%
7 Japan 2 2.5%
8 Korea, Republic of 2 2.5%
9 Germany 2 2.5%
10 Singapore 2 2.5%
11 France 1 1.2%
12 Russia 1 1.2%