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 49 45%
2 Germany 20 18.3%
3 United States 17 15.6%
4 Netherlands 7 6.4%
5 India 3 2.8%
6 Ukraine 3 2.8%
7 Kazakhstan 2 1.8%
8 South Africa 2 1.8%
9 Russia 2 1.8%
10 Singapore 1 0.9%
11 Australia 1 0.9%
12 Canada 1 0.9%
13 Jordan 1 0.9%