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 61 45.2%
2 France 18 13.3%
3 United States 18 13.3%
4 Netherlands 16 11.9%
5 Germany 9 6.7%
6 Taiwan 3 2.2%
7 Ukraine 2 1.5%
8 Hong Kong 2 1.5%
9 Czech Republic 2 1.5%
10 Russia 1 0.7%
11 South Africa 1 0.7%
12 India 1 0.7%
13 Canada 1 0.7%