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 196 71.8%
2 United States 28 10.3%
3 Netherlands 20 7.3%
4 Germany 8 2.9%
5 Sweden 6 2.2%
6 Canada 6 2.2%
7 Taiwan 4 1.5%
8 Russia 2 0.7%
9 South Africa 1 0.4%
10 Hong Kong 1 0.4%
11 Japan 1 0.4%