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 55 36.2%
2 United States 30 19.7%
3 Germany 27 17.8%
4 Netherlands 24 15.8%
5 India 3 2%
6 France 3 2%
7 Hong Kong 2 1.3%
8 Syrian Arab Republic 2 1.3%
9 Turkey 2 1.3%
10 Viet Nam 1 0.7%
11 Iran, Islamic Republic of 1 0.7%
12 Bahrain 1 0.7%
13 Canada 1 0.7%