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 170 60.9%
2 Germany 45 16.1%
3 United States 35 12.5%
4 Korea, Republic of 7 2.5%
5 Ireland 5 1.8%
6 Netherlands 4 1.4%
7 Taiwan 3 1.1%
8 Canada 3 1.1%
9 Hong Kong 3 1.1%
10 India 2 0.7%
11 Macao 1 0.4%
12 Mauritius 1 0.4%