BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 44 39.3%
2 United States 40 35.7%
3 Canada 7 6.2%
4 Netherlands 6 5.4%
5 Hong Kong 4 3.6%
6 Germany 3 2.7%
7 Japan 2 1.8%
8 Australia 2 1.8%
9 France 2 1.8%
10 Russia 1 0.9%
11 Taiwan 1 0.9%