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 530 48.9%
2 United States 240 22.2%
3 Netherlands 157 14.5%
4 Germany 61 5.6%
5 France 35 3.2%
6 Canada 25 2.3%
7 Taiwan 10 0.9%
8 Hong Kong 10 0.9%
9 Singapore 4 0.4%
10 India 3 0.3%
11 Korea, Republic of 2 0.2%
12 Turkey 2 0.2%
13 United Arab Emirates 1 0.1%
14 Luxembourg 1 0.1%
15 Israel 1 0.1%
16 Japan 1 0.1%