BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 79 43.9%
2 Germany 45 25%
3 United States 23 12.8%
4 Netherlands 22 12.2%
5 France 3 1.7%
6 India 2 1.1%
7 Iran, Islamic Republic of 1 0.6%
8 Taiwan 1 0.6%
9 Thailand 1 0.6%
10 Hong Kong 1 0.6%
11 Venezuela, Bolivarian Republic of 1 0.6%
12 Canada 1 0.6%