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 148 66.4%
2 United States 29 13%
3 Germany 14 6.3%
4 Netherlands 14 6.3%
5 Hong Kong 5 2.2%
6 Canada 4 1.8%
7 Taiwan 2 0.9%
8 Japan 2 0.9%
9 Korea, Republic of 2 0.9%
10 Macao 1 0.4%
11 Malaysia 1 0.4%
12 Brazil 1 0.4%