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 160 56.7%
2 Germany 45 16%
3 United States 37 13.1%
4 Netherlands 24 8.5%
5 Canada 4 1.4%
6 Taiwan 3 1.1%
7 2 0.7%
8 Hong Kong 2 0.7%
9 India 2 0.7%
10 Moldova, Republic of 1 0.4%
11 Brazil 1 0.4%
12 Turkey 1 0.4%