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 152 54.9%
2 United States 81 29.2%
3 Germany 13 4.7%
4 Netherlands 13 4.7%
5 Canada 5 1.8%
6 Sweden 4 1.4%
7 France 2 0.7%
8 Hong Kong 2 0.7%
9 Italy 2 0.7%
10 Spain 1 0.4%
11 Australia 1 0.4%
12 Taiwan 1 0.4%