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 96 50.8%
2 United States 34 18%
3 Netherlands 15 7.9%
4 Germany 15 7.9%
5 Canada 7 3.7%
6 France 6 3.2%
7 Australia 5 2.6%
8 Spain 4 2.1%
9 Hong Kong 3 1.6%
10 United Kingdom 2 1.1%
11 Malaysia 1 0.5%
12 Moldova, Republic of 1 0.5%