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 75 65.2%
2 Germany 11 9.6%
3 United States 6 5.2%
4 Netherlands 5 4.3%
5 Canada 4 3.5%
6 Singapore 3 2.6%
7 India 3 2.6%
8 Taiwan 2 1.7%
9 Turkey 2 1.7%
10 Hong Kong 2 1.7%
11 Australia 1 0.9%
12 Korea, Republic of 1 0.9%