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 256 36.7%
2 United States 239 34.2%
3 Sweden 101 14.5%
4 Netherlands 43 6.2%
5 Canada 20 2.9%
6 Germany 20 2.9%
7 Hong Kong 5 0.7%
8 France 3 0.4%
9 Korea, Republic of 2 0.3%
10 Ukraine 2 0.3%
11 Chile 2 0.3%
12 Denmark 2 0.3%
13 India 1 0.1%
14 Japan 1 0.1%
15 United Kingdom 1 0.1%