BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 19 26%
2 Netherlands 16 21.9%
3 Sweden 14 19.2%
4 United States 9 12.3%
5 Canada 7 9.6%
6 Ukraine 3 4.1%
7 Palestine, State of 2 2.7%
8 South Africa 1 1.4%
9 Australia 1 1.4%
10 Mauritius 1 1.4%