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 453 45.4%
2 Netherlands 184 18.4%
3 United States 174 17.4%
4 Germany 79 7.9%
5 France 32 3.2%
6 Canada 27 2.7%
7 Sweden 16 1.6%
8 Korea, Republic of 11 1.1%
9 Russia 6 0.6%
10 United Kingdom 6 0.6%
11 Ukraine 4 0.4%
12 India 3 0.3%
13 Singapore 2 0.2%
14 Turkey 1 0.1%