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 266 31.3%
2 United States 226 26.6%
3 Netherlands 170 20%
4 Sweden 122 14.4%
5 Germany 32 3.8%
6 Canada 15 1.8%
7 France 8 0.9%
8 Taiwan 3 0.4%
9 Brazil 2 0.2%
10 Japan 2 0.2%
11 United Kingdom 2 0.2%
12 Hong Kong 1 0.1%
13 Ukraine 1 0.1%